Trim trailing space in plugins/javascript

qa-content/qa-admin.js

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-content/qa-admin.js
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Javascript for admin pages to handle Ajax-triggered operations
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -38,20 +38,20 @@ function qa_recalc_click(state, elem, value, noteid)
 {
 	if (elem.qa_recalc_running) {
 		elem.qa_recalc_stopped=true;
-	
+
 	} else {
 		elem.qa_recalc_running=true;
 		elem.qa_recalc_stopped=false;
 		qa_recalc_running++;
-		
+
 		document.getElementById(noteid).innerHTML='';
 		elem.qa_original_value=elem.value;
 		if (value)
 			elem.value=value;
-		
+
 		qa_recalc_update(elem, state, noteid);
 	}
-	
+
 	return false;
 }
 
@@ -63,16 +63,16 @@ function qa_recalc_update(elem, state, noteid)
 				if (lines[0]=='1') {
 					if (lines[2])
 						document.getElementById(noteid).innerHTML=lines[2];
-					
+
 					if (elem.qa_recalc_stopped)
 						qa_recalc_cleanup(elem);
 					else
 						qa_recalc_update(elem, lines[1], noteid);
-				
+
 				} else if (lines[0]=='0') {
 					document.getElementById(noteid).innerHTML=lines[2];
 					qa_recalc_cleanup(elem);
-				
+
 				} else {
 					qa_ajax_error();
 					qa_recalc_cleanup(elem);
@@ -98,11 +98,11 @@ function qa_mailing_start(noteid, pauseid)
 			if (lines[0]=='1') {
 				document.getElementById(noteid).innerHTML=lines[1];
 				window.setTimeout(function() { qa_mailing_start(noteid, pauseid); }, 1); // don't recurse
-			
+
 			} else if (lines[0]=='0') {
 				document.getElementById(noteid).innerHTML=lines[1];
 				document.getElementById(pauseid).style.display='none';
-				
+
 			} else {
 				qa_ajax_error();
 			}
@@ -113,7 +113,7 @@ function qa_mailing_start(noteid, pauseid)
 function qa_admin_click(target)
 {
 	var p=target.name.split('_');
-	
+
 	var params={entityid:p[1], action:p[2]};
 	params.code=target.form.elements.code.value;
 
@@ -128,16 +128,16 @@ function qa_admin_click(target)
 				qa_ajax_error();
 		}
 	);
-	
+
 	qa_show_waiting_after(target, false);
-	
+
 	return false;
 }
 
 function qa_version_check(uri, versionkey, version, urikey, elem)
 {
 	var params={uri:uri, versionkey:versionkey, version:version, urikey:urikey};
-	
+
 	qa_ajax_post('version', params,
 		function (lines) {
 			if (lines[0]=='1')

qa-content/qa-ask.js

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-content/qa-ask.js
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Javascript for ask page and question editing, including tag auto-completion
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -30,19 +30,19 @@ function qa_title_change(value)
 				qa_tags_examples=lines[1];
 				qa_tag_hints(true);
 			}
-			
+
 			if (lines.length>2) {
 				var simelem=document.getElementById('similar');
 				if (simelem)
 					simelem.innerHTML=lines.slice(2).join('\n');
 			}
-			
+
 		} else if (lines[0]=='0')
 			alert(lines[1]);
 		else
 			qa_ajax_error();
 	});
-	
+
 	qa_show_waiting_after(document.getElementById('similar'), true);
 }
 
@@ -60,16 +60,16 @@ function qa_tag_click(link)
 {
 	var elem=document.getElementById('tags');
 	var parts=qa_tag_typed_parts(elem);
-	
+
 	// removes any HTML tags and ampersand
 	var tag=qa_html_unescape(link.innerHTML.replace(/<[^>]*>/g, ''));
-	
+
 	var separator=qa_tag_onlycomma ? ', ' : ' ';
-	
+
 	// replace if matches typed, otherwise append
 	var newvalue=(parts.typed && (tag.toLowerCase().indexOf(parts.typed.toLowerCase())>=0))
 		? (parts.before+separator+tag+separator+parts.after+separator) : (elem.value+separator+tag+separator);
-	
+
 	// sanitize and set value
 	if (qa_tag_onlycomma)
 		elem.value=newvalue.replace(/[\s,]*,[\s,]*/g, ', ').replace(/^[\s,]+/g, '');
@@ -78,7 +78,7 @@ function qa_tag_click(link)
 
 	elem.focus();
 	qa_tag_hints();
-		
+
 	return false;
 }
 
@@ -87,21 +87,21 @@ function qa_tag_hints(skipcomplete)
 	var elem=document.getElementById('tags');
 	var html='';
 	var completed=false;
-			
+
 	// first try to auto-complete
 	if (qa_tags_complete && !skipcomplete) {
 		var parts=qa_tag_typed_parts(elem);
-	
+
 		if (parts.typed) {
 			html=qa_tags_to_html((qa_html_unescape(qa_tags_examples+','+qa_tags_complete)).split(','), parts.typed.toLowerCase());
 			completed=html ? true : false;
 		}
 	}
-	
+
 	// otherwise show examples
 	if (qa_tags_examples && !completed)
 		html=qa_tags_to_html((qa_html_unescape(qa_tags_examples)).split(','), null);
-	
+
 	// set title visiblity and hint list
 	document.getElementById('tag_examples_title').style.display=(html && !completed) ? '' : 'none';
 	document.getElementById('tag_complete_title').style.display=(html && completed) ? '' : 'none';
@@ -113,14 +113,14 @@ function qa_tags_to_html(tags, matchlc)
 	var html='';
 	var added=0;
 	var tagseen={};
-	
+
 	for (var i=0; i<tags.length; i++) {
 		var tag=tags[i];
 		var taglc=tag.toLowerCase();
-		
+
 		if (!tagseen[taglc]) {
 			tagseen[taglc]=true;
-			
+
 			if ( (!matchlc) || (taglc.indexOf(matchlc)>=0) ) { // match if necessary
 				if (matchlc) { // if matching, show appropriate part in bold
 					var matchstart=taglc.indexOf(matchlc);
@@ -129,15 +129,15 @@ function qa_tags_to_html(tags, matchlc)
 						qa_html_escape(tag.substring(matchstart, matchend))+'</b>'+qa_html_escape(tag.substring(matchend))+'</span>';
 				} else // otherwise show as-is
 					inner=qa_html_escape(tag);
-					
+
 				html+=qa_tag_template.replace(/\^/g, inner.replace('$', '$$$$'))+' '; // replace ^ in template, escape $s
-				
+
 				if (++added>=qa_tags_max)
 					break;
 			}
 		}
 	}
-	
+
 	return html;
 }
 
@@ -147,7 +147,7 @@ function qa_caret_from_end(elem)
 		elem.focus();
 		var sel=document.selection.createRange();
 		sel.moveStart('character', -elem.value.length);
-		
+
 		return elem.value.length-sel.text.length;
 
 	} else if (typeof(elem.selectionEnd)!='undefined') // other browsers
@@ -162,7 +162,7 @@ function qa_tag_typed_parts(elem)
 	var caret=elem.value.length-qa_caret_from_end(elem);
 	var active=elem.value.substring(0, caret);
 	var passive=elem.value.substring(active.length);
-	
+
 	// if the caret is in the middle of a word, move the end of word from passive to active
 	if (
 		active.match(qa_tag_onlycomma ? /[^\s,][^,]*$/ : /[^\s,]$/) &&
@@ -171,10 +171,10 @@ function qa_tag_typed_parts(elem)
 		active+=adjoinmatch[0];
 		passive=elem.value.substring(active.length);
 	}
-	
+
 	// find what has been typed so far
 	var typedmatch=active.match(qa_tag_onlycomma ? /[^\s,]+[^,]*$/ : /[^\s,]+$/) || [''];
-	
+
 	return {before:active.substring(0, active.length-typedmatch[0].length), after:passive, typed:typedmatch[0]};
 }
 
@@ -182,15 +182,15 @@ function qa_category_select(idprefix, startpath)
 {
 	var startval=startpath ? startpath.split("/") : [];
 	var setdescnow=true;
-	
+
 	for (var l=0; l<=qa_cat_maxdepth; l++) {
 		var elem=document.getElementById(idprefix+'_'+l);
-		
+
 		if (elem) {
 			if (l) {
 				if (l<startval.length && startval[l].length) {
 					var val=startval[l];
-					
+
 					for (var j=0; j<elem.options.length; j++)
 						if (elem.options[j].value==val)
 							elem.selectedIndex=j;
@@ -198,67 +198,67 @@ function qa_category_select(idprefix, startpath)
 					var val=elem.options[elem.selectedIndex].value;
 			} else
 				val='';
-			
+
 			if (elem.qa_last_sel!==val) {
 				elem.qa_last_sel=val;
-				
+
 				var subelem=document.getElementById(idprefix+'_'+l+'_sub');
 				if (subelem)
 					subelem.parentNode.removeChild(subelem);
-				
+
 				if (val.length || (l==0)) {
 					subelem=elem.parentNode.insertBefore(document.createElement('span'), elem.nextSibling);
 					subelem.id=idprefix+'_'+l+'_sub';
 					qa_show_waiting_after(subelem, true);
-					
+
 					qa_ajax_post('category', {categoryid:val},
 						(function(elem, l) {
 							return function(lines) {
 								var subelem=document.getElementById(idprefix+'_'+l+'_sub');
 								if (subelem)
 									subelem.parentNode.removeChild(subelem);
-								
+
 								if (lines[0]=='1') {
 									elem.qa_cat_desc=lines[1];
-									
+
 									var addedoption=false;
-									
+
 									if (lines.length>2) {
 										var subelem=elem.parentNode.insertBefore(document.createElement('span'), elem.nextSibling);
 										subelem.id=idprefix+'_'+l+'_sub';
 										subelem.innerHTML=' ';
-										
+
 										var newelem=elem.cloneNode(false);
-										
+
 										newelem.name=newelem.id=idprefix+'_'+(l+1);
 										newelem.options.length=0;
-										
+
 										if (l ? qa_cat_allownosub : qa_cat_allownone)
 											newelem.options[0]=new Option(l ? '' : elem.options[0].text, '', true, true);
-										
+
 										for (var i=2; i<lines.length; i++) {
 											var parts=lines[i].split('/');
-											
+
 											if (String(qa_cat_exclude).length && (String(qa_cat_exclude)==parts[0]))
 												continue;
-												
+
 											newelem.options[newelem.options.length]=new Option(parts.slice(1).join('/'), parts[0]);
 											addedoption=true;
 										}
-										
+
 										if (addedoption) {
 											subelem.appendChild(newelem);
 											qa_category_select(idprefix, startpath);
 
 										}
-										
+
 										if (l==0)
 											elem.style.display='none';
 									}
-									
+
 									if (!addedoption)
 										set_category_description(idprefix);
-								
+
 								} else if (lines[0]=='0')
 									alert(lines[1]);
 								else
@@ -266,15 +266,15 @@ function qa_category_select(idprefix, startpath)
 							}
 						})(elem, l)
 					);
-					
+
 					setdescnow=false;
 				}
-				
+
 				break;
 			}
 		}
 	}
-	
+
 	if (setdescnow)
 		set_category_description(idprefix);
 }
@@ -282,17 +282,17 @@ function qa_category_select(idprefix, startpath)
 function set_category_description(idprefix)
 {
 	var n=document.getElementById(idprefix+'_note');
-	
+
 	if (n) {
 		desc='';
-		
+
 		for (var l=1; l<=qa_cat_maxdepth; l++) {
 			var elem=document.getElementById(idprefix+'_'+l);
-			
+
 			if (elem && elem.options[elem.selectedIndex].value.length)
 				desc=elem.qa_cat_desc;
 		}
-		
+
 		n.innerHTML=desc;
 	}
 }
\ No newline at end of file

qa-content/qa-page.js

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-content/qa-page.js
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Common Javascript including voting, notices and favorites
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -53,11 +53,11 @@ function qa_show_waiting_after(elem, inside)
 {
 	if (elem && !elem.qa_waiting_shown) {
 		var w=document.getElementById('qa-waiting-template');
-	
+
 		if (w) {
 			var c=w.cloneNode(true);
 			c.id=null;
-			
+
 			if (inside)
 				elem.insertBefore(c, null);
 			else
@@ -85,7 +85,7 @@ function qa_vote_click(elem)
 	var vote=parseInt(ens[2]);
 	var code=elem.form.elements.code.value;
 	var anchor=ens[3];
-	
+
 	qa_ajax_post('vote', {postid:postid, vote:vote, code:code},
 		function(lines) {
 			if (lines[0]=='1') {
@@ -93,7 +93,7 @@ function qa_vote_click(elem)
 
 			} else if (lines[0]=='0') {
 				var mess=document.getElementById('errorbox');
-				
+
 				if (!mess) {
 					var mess=document.createElement('div');
 					mess.id='errorbox';
@@ -101,16 +101,16 @@ function qa_vote_click(elem)
 					mess.innerHTML=lines[1];
 					mess.style.display='none';
 				}
-				
+
 				var postelem=document.getElementById(anchor);
 				var e=postelem.parentNode.insertBefore(mess, postelem);
 				qa_reveal(e);
-			
+
 			} else
 				qa_ajax_error();
 		}
 	);
-	
+
 	return false;
 }
 
@@ -118,7 +118,7 @@ function qa_notice_click(elem)
 {
 	var ens=elem.name.split('_');
 	var code=elem.form.elements.code.value;
-	
+
 	qa_ajax_post('notice', {noticeid:ens[1], code:code},
 		function(lines) {
 			if (lines[0]=='1')
@@ -129,7 +129,7 @@ function qa_notice_click(elem)
 				qa_ajax_error();
 		}
 	);
-	
+
 	return false;
 }
 
@@ -137,7 +137,7 @@ function qa_favorite_click(elem)
 {
 	var ens=elem.name.split('_');
 	var code=elem.form.elements.code.value;
-	
+
 	qa_ajax_post('favorite', {entitytype:ens[1], entityid:ens[2], favorite:parseInt(ens[3]), code:code},
 		function (lines) {
 			if (lines[0]=='1')
@@ -149,20 +149,20 @@ function qa_favorite_click(elem)
 				qa_ajax_error();
 		}
 	);
-	
+
 	qa_show_waiting_after(elem, false);
-	
+
 	return false;
 }
 
 function qa_ajax_post(operation, params, callback)
 {
 	jQuery.extend(params, {qa:'ajax', qa_operation:operation, qa_root:qa_root, qa_request:qa_request});
-	
+
 	jQuery.post(qa_root, params, function(response) {
 		var header='QA_AJAX_RESPONSE';
 		var headerpos=response.indexOf(header);
-		
+
 		if (headerpos>=0)
 			callback(response.substr(headerpos+header.length).replace(/^\s+/, '').split("\n"));
 		else

qa-content/qa-question.js

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-content/qa-question.js
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Javascript to handle question page actions
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -27,10 +27,10 @@ var qa_element_revealed=null;
 function qa_toggle_element(elem)
 {
 	var e=elem ? document.getElementById(elem) : null;
-	
+
 	if (e && e.qa_disabled)
 		e=null;
-	
+
 	if (e && (qa_element_revealed==e)) {
 		qa_conceal(qa_element_revealed, 'form');
 		qa_element_revealed=null;
@@ -38,22 +38,22 @@ function qa_toggle_element(elem)
 	} else {
 		if (qa_element_revealed)
 			qa_conceal(qa_element_revealed, 'form');
-	
+
 		if (e) {
 			if (e.qa_load && !e.qa_loaded) {
 				e.qa_load();
 				e.qa_loaded=true;
 			}
-			
+
 			if (e.qa_show)
 				e.qa_show();
-			
+
 			qa_reveal(e, 'form', function() {
 				var t=$(e).offset().top;
 				var h=$(e).height()+16;
 				var wt=$(window).scrollTop();
 				var wh=$(window).height();
-				
+
 				if ( (t<wt) || (t>(wt+wh)) )
 					qa_scroll_page_to(t);
 				else if ((t+h)>(wt+wh))
@@ -63,60 +63,60 @@ function qa_toggle_element(elem)
 					e.qa_focus();
 			});
 		}
-				
+
 		qa_element_revealed=e;
 	}
-	
+
 	return !(e||!elem); // failed to find item
 }
 
 function qa_submit_answer(questionid, elem)
 {
 	var params=qa_form_params('a_form');
-	
+
 	params.a_questionid=questionid;
-	
+
 	qa_ajax_post('answer', params,
 		function(lines) {
-			
+
 			if (lines[0]=='1') {
 				if (lines[1]<1) {
 					var b=document.getElementById('q_doanswer');
 					if (b)
 						b.style.display='none';
 				}
-			
+
 				var t=document.getElementById('a_list_title');
 				qa_set_inner_html(t, 'a_list_title', lines[2]);
 				qa_reveal(t, 'a_list_title');
-				
+
 				var e=document.createElement('div');
 				e.innerHTML=lines.slice(3).join("\n");
-				
+
 				var c=e.firstChild;
 				c.style.display='none';
 
 				var l=document.getElementById('a_list');
 				l.insertBefore(c, l.firstChild);
-				
+
 				var a=document.getElementById('anew');
 				a.qa_disabled=true;
-				
+
 				qa_reveal(c, 'answer');
 				qa_conceal(a, 'form');
 
 			} else if (lines[0]=='0') {
 				document.forms['a_form'].submit();
-			
+
 			} else {
 				qa_ajax_error();
 			}
 
 		}
 	);
-	
+
 	qa_show_waiting_after(elem, false);
-	
+
 	return false;
 }
 
@@ -126,7 +126,7 @@ function qa_submit_comment(questionid, parentid, elem)
 
 	params.c_questionid=questionid;
 	params.c_parentid=parentid;
-	
+
 	qa_ajax_post('comment', params,
 		function (lines) {
 
@@ -134,42 +134,42 @@ function qa_submit_comment(questionid, parentid, elem)
 				var l=document.getElementById('c'+parentid+'_list');
 				l.innerHTML=lines.slice(2).join("\n");
 				l.style.display='';
-				
+
 				var a=document.getElementById('c'+parentid);
 				a.qa_disabled=true;
-				
+
 				var c=document.getElementById(lines[1]); // id of comment
 				if (c) {
 					c.style.display='none';
 					qa_reveal(c, 'comment');
 				}
-				
+
 				qa_conceal(a, 'form');
 
 			} else if (lines[0]=='0') {
 				document.forms['c_form_'+parentid].submit();
-			
+
 			} else {
 				qa_ajax_error();
 			}
 
 		}
 	);
-	
+
 	qa_show_waiting_after(elem, false);
-	
+
 	return false;
 }
 
 function qa_answer_click(answerid, questionid, target)
 {
 	var params={};
-	
+
 	params.answerid=answerid;
 	params.questionid=questionid;
 	params.code=target.form.elements.code.value;
 	params[target.name]=target.value;
-	
+
 	qa_ajax_post('click_a', params,
 		function (lines) {
 			if (lines[0]=='1') {
@@ -177,64 +177,64 @@ function qa_answer_click(answerid, questionid, target)
 
 				var l=document.getElementById('a'+answerid);
 				var h=lines.slice(2).join("\n");
-				
+
 				if (h.length)
 					qa_set_outer_html(l, 'answer', h);
 				else
 					qa_conceal(l, 'answer');
-			
+
 			} else {
 				target.form.elements.qa_click.value=target.name;
 				target.form.submit();
 			}
 		}
 	);
-	
+
 	qa_show_waiting_after(target, false);
-	
+
 	return false;
 }
 
 function qa_comment_click(commentid, questionid, parentid, target)
 {
 	var params={};
-	
+
 	params.commentid=commentid;
 	params.questionid=questionid;
 	params.parentid=parentid;
 	params.code=target.form.elements.code.value;
 	params[target.name]=target.value;
-	
+
 	qa_ajax_post('click_c', params,
 		function (lines) {
 			if (lines[0]=='1') {
 				var l=document.getElementById('c'+commentid);
 				var h=lines.slice(1).join("\n");
-				
+
 				if (h.length)
 					qa_set_outer_html(l, 'comment', h)
 				else
 					qa_conceal(l, 'comment');
-			
+
 			} else {
 				target.form.elements.qa_click.value=target.name;
 				target.form.submit();
 			}
 		}
 	);
-	
+
 	qa_show_waiting_after(target, false);
-	
+
 	return false;
 }
 
 function qa_show_comments(questionid, parentid, elem)
 {
 	var params={};
-	
+
 	params.c_questionid=questionid;
 	params.c_parentid=parentid;
-	
+
 	qa_ajax_post('show_cs', params,
 		function (lines) {
 			if (lines[0]=='1') {
@@ -242,15 +242,15 @@ function qa_show_comments(questionid, parentid, elem)
 				l.innerHTML=lines.slice(1).join("\n");
 				l.style.display='none';
 				qa_reveal(l, 'comments');
-			
+
 			} else {
 				qa_ajax_error();
 			}
 		}
 	);
-	
+
 	qa_show_waiting_after(elem, true);
-	
+
 	return false;
 }
 
@@ -258,15 +258,15 @@ function qa_form_params(formname)
 {
 	var es=document.forms[formname].elements;
 	var params={};
-	
+
 	for (var i=0; i<es.length; i++) {
 		var e=es[i];
 		var t=(e.type || '').toLowerCase();
-		
+
 		if ( ((t!='checkbox') && (t!='radio')) || e.checked)
 			params[e.name]=e.value;
 	}
-	
+
 	return params;
 }
 

qa-content/qa-user.js

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-content/qa-user.js
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Javascript to handle user page actions
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,20 +25,20 @@
 function qa_submit_wall_post(elem, morelink)
 {
 	var params={};
-	
+
 	params.message=document.forms.wallpost.message.value;
 	params.handle=document.forms.wallpost.handle.value;
 	params.start=document.forms.wallpost.start.value;
 	params.code=document.forms.wallpost.code.value;
 	params.morelink=morelink ? 1 : 0;
-	
+
 	qa_ajax_post('wallpost', params,
 		function(lines) {
-			
+
 			if (lines[0]=='1') {
 				var l=document.getElementById('wallmessages');
 				l.innerHTML=lines.slice(2).join("\n");
-				
+
 				var c=document.getElementById(lines[1]); // id of new message
 				if (c) {
 					c.style.display='none';
@@ -47,19 +47,19 @@ function qa_submit_wall_post(elem, morelink)
 
 				document.forms.wallpost.message.value='';
 				qa_hide_waiting(elem);
-				
+
 			} else if (lines[0]=='0') {
 				document.forms.wallpost.qa_click.value=elem.name;
 				document.forms.wallpost.submit();
-				
+
 			} else {
 				qa_ajax_error();
 			}
 		}
 	);
-	
+
 	qa_show_waiting_after(elem, false);
-	
+
 	return false;
 }
 
@@ -67,7 +67,7 @@ function qa_submit_wall_post(elem, morelink)
 function qa_wall_post_click(messageid, target)
 {
 	var params={};
-	
+
 	params.messageid=messageid;
 	params.handle=document.forms.wallpost.handle.value;
 	params.code=document.forms.wallpost.code.value;
@@ -79,20 +79,20 @@ function qa_wall_post_click(messageid, target)
 			if (lines[0]=='1') {
 				var l=document.getElementById('m'+messageid);
 				var h=lines.slice(1).join("\n");
-				
+
 				if (h.length)
 					qa_set_outer_html(l, 'wallpost', h)
 				else
 					qa_conceal(l, 'wallpost');
-			
+
 			} else {
 				document.forms.wallpost.qa_click.value=target.name;
 				document.forms.wallpost.submit();
 			}
 		}
 	);
-	
+
 	qa_show_waiting_after(target, false);
-	
+
 	return false;
 }
\ No newline at end of file

qa-lang/en-GB/qa-lang-admin.php

 <?php
-	
+
 /*
 	Question2Answer (c) Gideon Greenspan
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-lang/en-GB/qa-lang-admin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: UK English translations - not much to do here
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -28,7 +28,7 @@
 		'admin_title' => 'Administration Centre',
 		'url_format_note' => 'Options with the ^ label are working for your site\'s configuration. For best search engine optimisation (SEO), use the first ^ option available.',
 	);
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/basic-adsense/qa-basic-adsense.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/basic-adsense/qa-basic-adsense.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Widget module class for AdSense widget plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,17 +25,17 @@
 */
 
 	class qa_basic_adsense {
-		
+
 		function allow_template($template)
 		{
 			return ($template!='admin');
 		}
 
-		
+
 		function allow_region($region)
 		{
 			$allow=false;
-			
+
 			switch ($region)
 			{
 				case 'main':
@@ -44,24 +44,24 @@
 					$allow=true;
 					break;
 			}
-			
+
 			return $allow;
 		}
 
-		
+
 		function admin_form(&$qa_content)
 		{
 			$saved=false;
-			
-			if (qa_clicked('adsense_save_button')) {	
+
+			if (qa_clicked('adsense_save_button')) {
 				$trimchars="=;\"\' \t\r\n"; // prevent common errors by copying and pasting from Javascript
 				qa_opt('adsense_publisher_id', trim(qa_post_text('adsense_publisher_id_field'), $trimchars));
 				$saved=true;
 			}
-			
+
 			return array(
 				'ok' => $saved ? 'AdSense settings saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'AdSense Publisher ID:',
@@ -70,7 +70,7 @@
 						'note' => 'Example: <i>pub-1234567890123456</i>',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -84,24 +84,24 @@
 		function output_widget($region, $place, $themeobject, $template, $request, $qa_content)
 		{
 			$divstyle='';
-			
+
 			switch ($region) {
 				case 'full': // Leaderboard
 					$divstyle='width:728px; margin:0 auto;';
-					
+
 				case 'main': // Leaderboard
 					$width=728;
 					$height=90;
 					$format='728x90_as';
 					break;
-					
+
 				case 'side': // Wide skyscraper
 					$width=160;
 					$height=600;
 					$format='160x600_as';
 					break;
 			}
-			
+
 ?>
 <div style="<?php echo $divstyle?>">
 <script type="text/javascript">
@@ -118,9 +118,9 @@ src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
 </div>
 <?php
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/basic-adsense/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/basic-adsense/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates Adsense widget plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Basic AdSense
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Provides a basic widget for displaying Google AdSense ads
 	Plugin Version: 1.0
 	Plugin Date: 2011-03-27
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.4
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -45,7 +45,7 @@
 
 
 	qa_register_plugin_module('widget', 'qa-basic-adsense.php', 'qa_basic_adsense', 'Basic AdSense');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/event-logger/qa-event-logger.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/event-logger/qa-event-logger.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Event module class for event logger plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,12 +25,12 @@
 */
 
 	class qa_event_logger {
-		
+
 		function init_queries($tableslc)
 		{
 			if (qa_opt('event_logger_to_database')) {
 				$tablename=qa_db_add_table_prefix('eventlog');
-				
+
 				if (!in_array($tablename, $tableslc)) {
 					require_once QA_INCLUDE_DIR.'qa-app-users.php';
 					require_once QA_INCLUDE_DIR.'qa-db-maxima.php';
@@ -52,14 +52,14 @@
 			}
 		}
 
-		
+
 		function admin_form(&$qa_content)
 		{
 
 		//	Process form input
 
 			$saved=false;
-			
+
 			if (qa_clicked('event_logger_save_button')) {
 				qa_opt('event_logger_to_database', (int)qa_post_text('event_logger_to_database_field'));
 				qa_opt('event_logger_to_files', qa_post_text('event_logger_to_files_field'));
@@ -68,14 +68,14 @@
 
 				$saved=true;
 			}
-		
+
 		//	Check the validity of the currently entered directory (if any)
-		
+
 			$directory=qa_opt('event_logger_directory');
-			
+
 			$note=null;
 			$error=null;
-			
+
 			if (!strlen($directory))
 				$note='Please specify a directory that is writable by the web server.';
 			elseif (!file_exists($directory))
@@ -84,17 +84,17 @@
 				$error='This is a file. Please enter the full path of a directory.';
 			elseif (!is_writable($directory))
 				$error='This directory is not writable by the web server. Please choose a different directory, use chown/chmod to change permissions, or contact your web hosting company for assistance.';
-				
+
 		//	Create the form for display
 
 			qa_set_display_rules($qa_content, array(
 				'event_logger_directory_display' => 'event_logger_to_files_field',
 				'event_logger_hide_header_display' => 'event_logger_to_files_field',
 			));
-			
+
 			return array(
 				'ok' => ($saved && !isset($error)) ? 'Event log settings saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'Log events to <code>'.QA_MYSQL_TABLE_PREFIX.'eventlog</code> database table',
@@ -109,7 +109,7 @@
 						'value' => qa_opt('event_logger_to_files'),
 						'type' => 'checkbox',
 					),
-					
+
 					array(
 						'id' => 'event_logger_directory_display',
 						'label' => 'Directory for log files - enter full path:',
@@ -118,7 +118,7 @@
 						'note' => $note,
 						'error' => qa_html($error),
 					),
-					
+
 					array(
 						'id' => 'event_logger_hide_header_display',
 						'label' => 'Include header lines at top of each log file',
@@ -127,7 +127,7 @@
 						'value' => !qa_opt('event_logger_hide_header'),
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -137,7 +137,7 @@
 			);
 		}
 
-		
+
 		function value_to_text($value)
 		{
 			if (is_array($value))
@@ -146,45 +146,45 @@
 				$text=substr($value, 0, 38).'...';
 			else
 				$text=$value;
-				
+
 			return strtr($text, "\t\n\r", '   ');
 		}
-	
-	
+
+
 		function process_event($event, $userid, $handle, $cookieid, $params)
 		{
 			if (qa_opt('event_logger_to_database')) {
 				$paramstring='';
-				
+
 				foreach ($params as $key => $value)
 					$paramstring.=(strlen($paramstring) ? "\t" : '').$key.'='.$this->value_to_text($value);
-				
+
 				qa_db_query_sub(
 					'INSERT INTO ^eventlog (datetime, ipaddress, userid, handle, cookieid, event, params) '.
 					'VALUES (NOW(), $, $, $, #, $, $)',
 					qa_remote_ip_address(), $userid, $handle, $cookieid, $event, $paramstring
-				);			
+				);
 			}
-			
+
 			if (qa_opt('event_logger_to_files')) {
 
 			//	Substitute some placeholders if certain information is missing
-				
+
 				if (!strlen($userid))
 					$userid='no_userid';
-				
+
 				if (!strlen($handle))
 					$handle='no_handle';
-				
+
 				if (!strlen($cookieid))
 					$cookieid='no_cookieid';
-					
+
 				$ip=qa_remote_ip_address();
 				if (!strlen($ip))
 					$ip='no_ipaddress';
-					
+
 			//	Build the log file line to be written
-				
+
 				$fixedfields=array(
 					'Date' => date('Y\-m\-d'),
 					'Time' => date('H\:i\:s'),
@@ -194,36 +194,36 @@
 					'CookieID' => $cookieid,
 					'Event' => $event,
 				);
-				
+
 				$fields=$fixedfields;
-				
+
 				foreach ($params as $key => $value)
 					$fields['param_'.$key]=$key.'='.$this->value_to_text($value);
-				
+
 				$string=implode("\t", $fields);
-			
+
 			//	Build the full path and file name
-			
+
 				$directory=qa_opt('event_logger_directory');
-			
+
 				if (substr($directory, -1)!='/')
 					$directory.='/';
-					
+
 				$filename=$directory.'q2a-log-'.date('Y\-m\-d').'.txt';
-				
+
 			//	Open, lock, write, unlock, close (to prevent interference between multiple writes)
-				
+
 				$exists=file_exists($filename);
 
 				$file=@fopen($filename, 'a');
-				
+
 				if (is_resource($file)) {
 					if (flock($file, LOCK_EX)) {
 						if ( (!$exists) && (filesize($filename)===0) && !qa_opt('event_logger_hide_header') )
 							$string="Question2Answer ".QA_VERSION." log file generated by Event Logger plugin.\n".
 								"This file is formatted as tab-delimited text with UTF-8 encoding.\n\n".
 								implode("\t", array_keys($fixedfields))."\textras...\n\n".$string;
-						
+
 						fwrite($file, $string."\n");
 						flock($file, LOCK_UN);
 					}
@@ -232,9 +232,9 @@
 				}
 			}
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/event-logger/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/event-logger/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates event logger plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Event Logger
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Stores a record of user activity in the database and/or log files
 	Plugin Version: 1.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.5
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -45,7 +45,7 @@
 
 
 	qa_register_plugin_module('event', 'qa-event-logger.php', 'qa_event_logger', 'Event Logger');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/example-page/qa-example-lang-default.php

 <?php
-	
+
 /*
 	Question2Answer (c) Gideon Greenspan
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/example-page/qa-example-lang-default.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: US English language phrases for example plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -27,7 +27,7 @@
 	return array(
 		'page_title' => 'Example plugin page (US English)',
 	);
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/example-page/qa-example-lang-en-GB.php

 <?php
-	
+
 /*
 	Question2Answer (c) Gideon Greenspan
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/example-page/qa-example-lang-en-GB.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: UK English language phrases for example plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -27,7 +27,7 @@
 	return array(
 		'page_title' => 'Example plugin page (UK English)',
 	);
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/example-page/qa-example-page.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/example-page/qa-example-page.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Page module class for example page plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,10 +25,10 @@
 */
 
 	class qa_example_page {
-		
+
 		var $directory;
 		var $urltoroot;
-		
+
 
 		function load_module($directory, $urltoroot)
 		{
@@ -36,9 +36,9 @@
 			$this->urltoroot=$urltoroot;
 		}
 
-		
+
 		function suggest_requests() // for display in admin interface
-		{	
+		{
 			return array(
 				array(
 					'title' => 'Example',
@@ -48,7 +48,7 @@
 			);
 		}
 
-		
+
 		function match_request($request)
 		{
 			if ($request=='example-plugin-page')
@@ -57,7 +57,7 @@
 			return false;
 		}
 
-		
+
 		function process_request($request)
 		{
 			$qa_content=qa_content_prepare();
@@ -68,13 +68,13 @@
 
 			$qa_content['form']=array(
 				'tags' => 'method="post" action="'.qa_self_html().'"',
-				
+
 				'style' => 'wide',
-				
+
 				'ok' => qa_post_text('okthen') ? 'You clicked OK then!' : null,
-				
+
 				'title' => 'Form title',
-				
+
 				'fields' => array(
 					'request' => array(
 						'label' => 'The request',
@@ -82,9 +82,9 @@
 						'value' => qa_html($request),
 						'error' => qa_html('Another error'),
 					),
-					
+
 				),
-				
+
 				'buttons' => array(
 					'ok' => array(
 						'tags' => 'name="okthen"',
@@ -92,19 +92,19 @@
 						'value' => '1',
 					),
 				),
-				
+
 				'hidden' => array(
 					'hiddenfield' => '1',
 				),
 			);
 
 			$qa_content['custom_2']='<p><br>More <i>custom html</i></p>';
-			
+
 			return $qa_content;
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/example-page/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/example-page/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates example page plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Example Page
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Example of page plugin
 	Plugin Version: 1.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.5
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -46,7 +46,7 @@
 
 	qa_register_plugin_module('page', 'qa-example-page.php', 'qa_example_page', 'Example Page');
 	qa_register_plugin_phrases('qa-example-lang-*.php', 'example_page');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/facebook-login/JSON.php

@@ -134,8 +134,8 @@ class Services_JSON
     *                                   bubble up with an error, so all return values
     *                                   from encode() should be checked with isError()
     *                           - SERVICES_JSON_USE_TO_JSON:  call toJSON when serializing objects
-    *                                   It serializes the return value from the toJSON call rather 
-    *                                   than the object it'self,  toJSON can return associative arrays, 
+    *                                   It serializes the return value from the toJSON call rather
+    *                                   than the object it'self,  toJSON can return associative arrays,
     *                                   strings or numbers, if you return an object, make sure it does
     *                                   not have a toJSON method, otherwise an error will occur.
     */
@@ -150,7 +150,7 @@ class Services_JSON
     var $_mb_strlen = false;
     var $_mb_substr = false;
     var $_mb_convert_encoding = false;
-    
+
    /**
     * convert a string from one UTF-16 char to one UTF-8 char
     *
@@ -274,10 +274,10 @@ class Services_JSON
         $ret = $this->_encode($var);
         setlocale(LC_NUMERIC, $lc);
         return $ret;
-        
+
     }
     /**
-    * PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format 
+    * PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format
     *
     * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
     *                           see argument 1 to Services_JSON() above for array-parsing behavior.
@@ -287,9 +287,9 @@ class Services_JSON
     * @return   mixed   JSON string representation of input var or an error if a problem occurs
     * @access   public
     */
-    function _encode($var) 
+    function _encode($var)
     {
-         
+
         switch (gettype($var)) {
             case 'boolean':
                 return $var ? 'true' : 'false';
@@ -354,7 +354,7 @@ class Services_JSON
                                 $ascii .= '?';
                                 break;
                             }
-                            
+
                             $char = pack('C*', $ord_var_c, ord($var{$c + 1}));
                             $c += 1;
                             $utf16 = $this->utf82utf16($char);
@@ -480,27 +480,27 @@ class Services_JSON
                 return '[' . join(',', $elements) . ']';
 
             case 'object':
-            
+
                 // support toJSON methods.
                 if (($this->use & SERVICES_JSON_USE_TO_JSON) && method_exists($var, 'toJSON')) {
                     // this may end up allowing unlimited recursion
                     // so we check the return value to make sure it's not got the same method.
                     $recode = $var->toJSON();
-                    
+
                     if (method_exists($recode, 'toJSON')) {
-                        
+
                         return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
                         ? 'null'
                         : new Services_JSON_Error(class_name($var).
                             " toJSON returned an object with a toJSON method.");
-                            
+
                     }
-                    
+
                     return $this->_encode( $recode );
-                } 
-                
+                }
+
                 $vars = get_object_vars($var);
-                
+
                 $properties = array_map(array($this, 'name_value'),
                                         array_keys($vars),
                                         array_values($vars));
@@ -764,7 +764,7 @@ class Services_JSON
                                 // element in an associative array,
                                 // for now
                                 $parts = array();
-                                
+
                                if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:/Uis', $slice, $parts)) {
  	                              // "name":value pair
                                     $key = $this->decode($parts[1]);
@@ -871,28 +871,28 @@ class Services_JSON
 
         return false;
     }
-    
+
     /**
     * Calculates length of string in bytes
-    * @param string 
+    * @param string
     * @return integer length
     */
-    function strlen8( $str ) 
+    function strlen8( $str )
     {
         if ( $this->_mb_strlen ) {
             return mb_strlen( $str, "8bit" );
         }
         return strlen( $str );
     }
-    
+
     /**
     * Returns part of a string, interpreting $start and $length as number of bytes.
-    * @param string 
-    * @param integer start 
-    * @param integer length 
+    * @param string
+    * @param integer start
+    * @param integer length
     * @return integer length
     */
-    function substr8( $string, $start, $length=false ) 
+    function substr8( $string, $start, $length=false )
     {
         if ( $length === false ) {
             $length = $this->strlen8( $string ) - $start;
@@ -929,5 +929,5 @@ if (class_exists('PEAR_Error')) {
 
         }
     }
-    
+
 }

qa-plugin/facebook-login/qa-facebook-layer.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/facebook-login/qa-facebook-layer.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Theme layer class for mouseover layer plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,11 +25,11 @@
 */
 
 	class qa_html_theme_layer extends qa_html_theme_base {
-		
+
 		function head_css()
 		{
 			qa_html_theme_base::head_css();
-			
+
 			if (strlen(qa_opt('facebook_app_id')) && strlen(qa_opt('facebook_app_secret')))
 				$this->output(
 					'<style><!--',
@@ -39,7 +39,7 @@
 		}
 
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/facebook-login/qa-facebook-login-page.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/facebook-login/qa-facebook-login-page.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Page which performs Facebook login action
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,7 +25,7 @@
 */
 
 	class qa_facebook_login_page {
-		
+
 		var $directory;
 		var $urltoroot;
 
@@ -39,7 +39,7 @@
 		{
 			return ($request=='facebook-login');
 		}
-		
+
 		function process_request($request)
 		{
 			if ($request=='facebook-login') {
@@ -52,28 +52,28 @@
 				if (strlen($app_id) && strlen($app_secret)) {
 					if (!function_exists('json_decode')) { // work around fact that PHP might not have JSON extension installed
 						require_once $this->directory.'JSON.php';
-				
+
 						function json_decode($json)
 						{
 							$decoder=new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
 							return $decoder->decode($json);
 						}
 					}
-					
+
 					require_once $this->directory.'facebook.php';
-			
+
 					$facebook = new Facebook(array(
 						'appId'  => $app_id,
 						'secret' => $app_secret,
 						'cookie' => true,
 					));
-			
+
 					$fb_userid=$facebook->getUser();
-					
+
 					if ($fb_userid) {
 						try {
 							$user=$facebook->api('/me?fields=email,name,verified,location,website,about,picture');
-				
+
 							if (is_array($user))
 								qa_log_in_external_user('facebook', $fb_userid, array(
 									'email' => @$user['email'],
@@ -93,13 +93,13 @@
 						qa_redirect_raw($facebook->getLoginUrl(array('redirect_uri' => $tourl)));
 					}
 				}
-				
+
 				qa_redirect_raw($tourl);
 			}
 		}
-		
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/facebook-login/qa-facebook-login.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/facebook-login/qa-facebook-login.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Login module class for Facebook login plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,34 +25,34 @@
 */
 
 	class qa_facebook_login {
-		
+
 		function match_source($source)
 		{
 			return $source=='facebook';
 		}
 
-		
+
 		function login_html($tourl, $context)
 		{
 			$app_id=qa_opt('facebook_app_id');
 
 			if (!strlen($app_id))
 				return;
-				
+
 			$this->facebook_html(qa_path_absolute('facebook-login', array('to' => $tourl)), false, $context);
 		}
 
-		
+
 		function logout_html($tourl)
 		{
 			$app_id=qa_opt('facebook_app_id');
 
 			if (!strlen($app_id))
 				return;
-				
+
 			$this->facebook_html($tourl, true, 'menu');
 		}
-		
+
 
 		function facebook_html($tourl, $logout, $context)
 		{
@@ -67,7 +67,7 @@
         window.fbAsyncInit = function() {
           FB.init({
             appId      : <?php echo qa_js(qa_opt('facebook_app_id'), true)?>,
-            status     : true, 
+            status     : true,
             cookie     : true,
             xfbml      : true,
             oauth      : true
@@ -88,25 +88,25 @@
       </div>
 
 <?php
-		
+
 		}
-		
-		
+
+
 		function admin_form()
 		{
 			$saved=false;
-			
+
 			if (qa_clicked('facebook_save_button')) {
 				qa_opt('facebook_app_id', qa_post_text('facebook_app_id_field'));
 				qa_opt('facebook_app_secret', qa_post_text('facebook_app_secret_field'));
 				$saved=true;
 			}
-			
+
 			$ready=strlen(qa_opt('facebook_app_id')) && strlen(qa_opt('facebook_app_secret'));
-			
+
 			return array(
 				'ok' => $saved ? 'Facebook application details saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'Facebook App ID:',
@@ -121,7 +121,7 @@
 						'error' => $ready ? null : 'To use Facebook Login, please <a href="http://developers.facebook.com/setup/" target="_blank">set up a Facebook application</a>.',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -130,9 +130,9 @@
 				),
 			);
 		}
-		
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/facebook-login/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/facebook-login/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates Facebook login plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Facebook Login
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Allows users to log in via Facebook
 	Plugin Version: 1.1.5
 	Plugin Date: 2012-09-13
@@ -50,7 +50,7 @@
 		qa_register_plugin_module('page', 'qa-facebook-login-page.php', 'qa_facebook_login_page', 'Facebook Login Page');
 		qa_register_plugin_layer('qa-facebook-layer.php', 'Facebook Login Layer');
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/mouseover-layer/qa-mouseover-admin-form.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/mouseover-layer/qa-mouseover-admin-form.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Generic module class for mouseover layer plugin to provide admin form and default option
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,31 +25,31 @@
 */
 
 	class qa_mouseover_admin_form {
-		
+
 		function option_default($option)
 		{
 			if ($option=='mouseover_content_max_len')
 				return 480;
 		}
-	
-	
+
+
 		function admin_form(&$qa_content)
 		{
 			$saved=false;
-			
+
 			if (qa_clicked('mouseover_save_button')) {
 				qa_opt('mouseover_content_on', (int)qa_post_text('mouseover_content_on_field'));
 				qa_opt('mouseover_content_max_len', (int)qa_post_text('mouseover_content_max_len_field'));
 				$saved=true;
 			}
-			
+
 			qa_set_display_rules($qa_content, array(
 				'mouseover_content_max_len_display' => 'mouseover_content_on_field',
 			));
-			
+
 			return array(
 				'ok' => $saved ? 'Mouseover settings saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'Show content preview on mouseover in question lists',
@@ -57,7 +57,7 @@
 						'value' => qa_opt('mouseover_content_on'),
 						'tags' => 'name="mouseover_content_on_field" id="mouseover_content_on_field"',
 					),
-					
+
 					array(
 						'id' => 'mouseover_content_max_len_display',
 						'label' => 'Maximum length of preview:',
@@ -67,7 +67,7 @@
 						'tags' => 'name="mouseover_content_max_len_field"',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -76,9 +76,9 @@
 				),
 			);
 		}
-		
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/mouseover-layer/qa-mouseover-layer.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/mouseover-layer/qa-mouseover-layer.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Theme layer class for mouseover layer plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,35 +25,35 @@
 */
 
 	class qa_html_theme_layer extends qa_html_theme_base {
-		
+
 		function q_list($q_list)
 		{
 			if (count(@$q_list['qs']) && qa_opt('mouseover_content_on')) { // first check it is not an empty list and the feature is turned on
 
 			//	Collect the question ids of all items in the question list (so we can do this in one DB query)
-	
+
 				$postids=array();
 				foreach ($q_list['qs'] as $question)
 					if (isset($question['raw']['postid']))
 						$postids[]=$question['raw']['postid'];
-				
+
 				if (count($postids)) {
 
 				//	Retrieve the content for these questions from the database and put into an array
-				
+
 					$result=qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids);
 					$postinfo=qa_db_read_all_assoc($result, 'postid');
-					
+
 				//	Get the regular expression fragment to use for blocked words and the maximum length of content to show
-					
+
 					$blockwordspreg=qa_get_block_words_preg();
 					$maxlength=qa_opt('mouseover_content_max_len');
-					
+
 				//	Now add the popup to the title for each question
-			
+
 					foreach ($q_list['qs'] as $index => $question) {
 						$thispost=@$postinfo[$question['raw']['postid']];
-						
+
 						if (isset($thispost)) {
 							$text=qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
 							$text=qa_shorten_string_line($text, $maxlength);
@@ -62,12 +62,12 @@
 					}
 				}
 			}
-			
+
 			qa_html_theme_base::q_list($q_list); // call back through to the default function
 		}
 
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/mouseover-layer/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/mouseover-layer/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates mouseover layer plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Mouseover Layer
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Shows question content on mouse over in question lists
 	Plugin Version: 1.0.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.5
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -46,7 +46,7 @@
 
 	qa_register_plugin_layer('qa-mouseover-layer.php', 'Mouseover Layer');
 	qa_register_plugin_module('module', 'qa-mouseover-admin-form.php', 'qa_mouseover_admin_form', 'Mouseover Layer');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/opensearch-support/qa-opensearch-layer.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/opensearch-support/qa-opensearch-layer.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Theme layer class for OpenSearch plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,16 +25,16 @@
 */
 
 	class qa_html_theme_layer extends qa_html_theme_base {
-		
+
 		function head_links()
 		{
 			qa_html_theme_base::head_links();
-			
+
 			$this->output('<link rel="search" type="application/opensearchdescription+xml" title="'.qa_html(qa_opt('site_title')).'" href="'.qa_path_html('opensearch.xml').'"/>');
 		}
 
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/opensearch-support/qa-opensearch-page.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/opensearch-support/qa-opensearch-page.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Page module class for XML sitemap plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,7 +25,7 @@
 */
 
 	class qa_opensearch_xml {
-		
+
 		function match_request($request)
 		{
 			return ($request=='opensearch.xml');
@@ -39,22 +39,22 @@
 			$template=str_replace('_searchTerms_placeholder_', '{searchTerms}', qa_path_absolute('search', array('q' => '_searchTerms_placeholder_')));
 
 			header('Content-type: text/xml; charset=utf-8');
-			
+
 			echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
 			echo '<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">'."\n";
-			
+
 			echo "\t<ShortName>".$titlexml."</ShortName>\n";
 			echo "\t<Description>".qa_xml(qa_lang('main/search_button')).' '.$titlexml."</Description>\n";
 			echo "\t".'<Url type="text/html" method="get" template="'.qa_xml($template).'"/>'."\n";
 			echo "\t<InputEncoding>UTF-8</InputEncoding>\n";
-			
+
 			echo '</OpenSearchDescription>'."\n";
-			
+
 			return null;
 		}
-		
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/opensearch-support/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/opensearch-support/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates OpenSearch plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: OpenSearch Support
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Allows OpenSearch clients to search Q2A site directly
 	Plugin Version: 1.0
 	Plugin Date: 2012-08-21
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.5
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -43,10 +43,10 @@
 		exit;
 	}
 
-	
+
 	qa_register_plugin_layer('qa-opensearch-layer.php', 'OpenSearch Layer');
 	qa_register_plugin_module('page', 'qa-opensearch-page.php', 'qa_opensearch_xml', 'OpenSearch XML');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/recaptcha-captcha/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/recaptcha-captcha/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates reCAPTCHA plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: reCAPTCHA
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Provides support for reCAPTCHA captchas
 	Plugin Version: 1.0
 	Plugin Date: 2011-11-17
@@ -45,7 +45,7 @@
 
 
 	qa_register_plugin_module('captcha', 'qa-recaptcha-captcha.php', 'qa_recaptcha_captcha', 'reCAPTCHA');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/recaptcha-captcha/qa-recaptcha-captcha.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/recaptcha-captcha/qa-recaptcha-captcha.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Captcha module for reCAPTCHA
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -31,9 +31,9 @@
 
 
 	class qa_recaptcha_captcha {
-	
+
 		var $directory;
-		
+
 		function load_module($directory, $urltoroot)
 		{
 			$this->directory=$directory;
@@ -43,17 +43,17 @@
 		function admin_form()
 		{
 			$saved=false;
-			
+
 			if (qa_clicked('recaptcha_save_button')) {
 				qa_opt('recaptcha_public_key', qa_post_text('recaptcha_public_key_field'));
 				qa_opt('recaptcha_private_key', qa_post_text('recaptcha_private_key_field'));
-				
+
 				$saved=true;
 			}
-			
+
 			$form=array(
 				'ok' => $saved ? 'reCAPTCHA settings saved' : null,
-				
+
 				'fields' => array(
 					'public' => array(
 						'label' => 'reCAPTCHA public key:',
@@ -76,49 +76,49 @@
 					),
 				),
 			);
-			
+
 			return $form;
 		}
-		
+
 
 		function recaptcha_error_html()
 		{
 			if (!function_exists('fsockopen'))
 				return 'To use reCAPTCHA, the fsockopen() PHP function must be enabled on your server. Please check with your system administrator.';
-			
+
 			elseif ( (!strlen(trim(qa_opt('recaptcha_public_key')))) || (!strlen(trim(qa_opt('recaptcha_private_key')))) ) {
 				require_once $this->directory.'recaptchalib.php';
-				
+
 				$url=recaptcha_get_signup_url(@$_SERVER['HTTP_HOST'], qa_opt('site_title'));
-				
+
 				return 'To use reCAPTCHA, you must <a href="'.qa_html($url).'">sign up</a> to get these keys.';
 			}
-			
-			return null;				
+
+			return null;
 		}
-	
-	
+
+
 		function allow_captcha()
 		{
 			return function_exists('fsockopen') && strlen(trim(qa_opt('recaptcha_public_key'))) && strlen(trim(qa_opt('recaptcha_private_key')));
 		}
 
-		
+
 		function form_html(&$qa_content, $error)
 		{
 			require_once $this->directory.'recaptchalib.php';
-			
+
 			$language=qa_opt('site_language');
 			if (strpos('|en|nl|fr|de|pt|ru|es|tr|', '|'.$language.'|')===false) // supported as of 3/2010
 				$language='en';
-				
+
 			$qa_content['script_lines'][]=array(
 				"var RecaptchaOptions={",
 				"\ttheme:'white',",
 				"\tlang:".qa_js($language),
 				"};",
 			);
-		
+
 			return recaptcha_get_html(qa_opt('recaptcha_public_key'), $error, qa_is_https_probably());
 		}
 
@@ -127,25 +127,25 @@
 		{
 			if ( (!empty($_POST['recaptcha_challenge_field'])) && (!empty($_POST['recaptcha_response_field'])) ) {
 				require_once $this->directory.'recaptchalib.php';
-				
+
 				$answer=recaptcha_check_answer(
 					qa_opt('recaptcha_private_key'),
 					qa_remote_ip_address(),
 					$_POST['recaptcha_challenge_field'],
 					$_POST['recaptcha_response_field']
 				);
-				
+
 				if ($answer->is_valid)
 					return true;
 
 				$error=@$answer->error;
 			}
-			
+
 			return false;
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/recaptcha-captcha/recaptchalib.php

@@ -108,7 +108,7 @@ function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false)
 	if ($pubkey == null || $pubkey == '') {
 		die ("To use reCAPTCHA you must get an API key from <a href='https://www.google.com/recaptcha/admin/create'>https://www.google.com/recaptcha/admin/create</a>");
 	}
-	
+
 	if ($use_ssl) {
                 $server = RECAPTCHA_API_SECURE_SERVER;
         } else {
@@ -159,8 +159,8 @@ function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $ex
 		die ("For security reasons, you must pass the remote ip to reCAPTCHA");
 	}
 
-	
-	
+
+
         //discard spam submissions
         if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) {
                 $recaptcha_response = new ReCaptchaResponse();
@@ -215,7 +215,7 @@ function _recaptcha_aes_encrypt($val,$ky) {
 	if (! function_exists ("mcrypt_encrypt")) {
 		die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed.");
 	}
-	$mode=MCRYPT_MODE_CBC;   
+	$mode=MCRYPT_MODE_CBC;
 	$enc=MCRYPT_RIJNDAEL_128;
 	$val=_recaptcha_aes_pad($val);
 	return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
@@ -232,11 +232,11 @@ function recaptcha_mailhide_url($pubkey, $privkey, $email) {
 		die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " .
 		     "you can do so at <a href='http://www.google.com/recaptcha/mailhide/apikey'>http://www.google.com/recaptcha/mailhide/apikey</a>");
 	}
-	
+
 
 	$ky = pack('H*', $privkey);
 	$cryptmail = _recaptcha_aes_encrypt ($email, $ky);
-	
+
 	return "http://www.google.com/recaptcha/mailhide/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail);
 }
 
@@ -267,7 +267,7 @@ function _recaptcha_mailhide_email_parts ($email) {
 function recaptcha_mailhide_html($pubkey, $privkey, $email) {
 	$emailparts = _recaptcha_mailhide_email_parts ($email);
 	$url = recaptcha_mailhide_url ($pubkey, $privkey, $email);
-	
+
 	return htmlentities($emailparts[0]) . "<a href='" . htmlentities ($url) .
 		"' onclick=\"window.open('" . htmlentities ($url) . "', '', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=300'); return false;\" title=\"Reveal this e-mail address\">...</a>@" . htmlentities ($emailparts [1]);
 

qa-plugin/tag-cloud-widget/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/tag-cloud-widget/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates tag cloud widget plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: Tag Cloud Widget
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Provides a list of tags with size indicating popularity
 	Plugin Version: 1.0.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.4
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -45,7 +45,7 @@
 
 
 	qa_register_plugin_module('widget', 'qa-tag-cloud.php', 'qa_tag_cloud', 'Tag Cloud');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/tag-cloud-widget/qa-tag-cloud.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/tag-cloud-widget/qa-tag-cloud.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Widget module class for tag cloud plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,7 +25,7 @@
 */
 
 	class qa_tag_cloud {
-		
+
 		function option_default($option)
 		{
 			if ($option=='tag_cloud_count_tags')
@@ -36,21 +36,21 @@
 				return true;
 		}
 
-		
+
 		function admin_form()
 		{
 			$saved=false;
-			
+
 			if (qa_clicked('tag_cloud_save_button')) {
 				qa_opt('tag_cloud_count_tags', (int)qa_post_text('tag_cloud_count_tags_field'));
 				qa_opt('tag_cloud_font_size', (int)qa_post_text('tag_cloud_font_size_field'));
 				qa_opt('tag_cloud_size_popular', (int)qa_post_text('tag_cloud_size_popular_field'));
 				$saved=true;
 			}
-			
+
 			return array(
 				'ok' => $saved ? 'Tag cloud settings saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'Maximum tags to show:',
@@ -67,7 +67,7 @@
 						'value' => (int)qa_opt('tag_cloud_font_size'),
 						'tags' => 'name="tag_cloud_font_size_field"',
 					),
-					
+
 					array(
 						'label' => 'Font size represents tag popularity',
 						'type' => 'checkbox',
@@ -75,7 +75,7 @@
 						'tags' => 'name="tag_cloud_size_popular_field"',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -85,11 +85,11 @@
 			);
 		}
 
-		
+
 		function allow_template($template)
 		{
 			$allow=false;
-			
+
 			switch ($template)
 			{
 				case 'activity':
@@ -110,53 +110,53 @@
 					$allow=true;
 					break;
 			}
-			
+
 			return $allow;
 		}
 
-		
+
 		function allow_region($region)
 		{
 			return ($region=='side');
 		}
-		
+
 
 		function output_widget($region, $place, $themeobject, $template, $request, $qa_content)
 		{
 			require_once QA_INCLUDE_DIR.'qa-db-selects.php';
-			
+
 			$populartags=qa_db_single_select(qa_db_popular_tags_selectspec(0, (int)qa_opt('tag_cloud_count_tags')));
-			
+
 			reset($populartags);
 			$maxcount=current($populartags);
-			
+
 			$themeobject->output(
 				'<h2 style="margin-top:0; padding-top:0;">',
 				qa_lang_html('main/popular_tags'),
 				'</h2>'
 			);
-			
+
 			$themeobject->output('<div style="font-size:10px;">');
-			
+
 			$maxsize=qa_opt('tag_cloud_font_size');
 			$scale=qa_opt('tag_cloud_size_popular');
 			$blockwordspreg=qa_get_block_words_preg();
-			
+
 			foreach ($populartags as $tag => $count) {
 				if (count(qa_block_words_match_all($tag, $blockwordspreg)))
 					continue; // skip censored tags
-					
+
 				$size=number_format(($scale ? ($maxsize*$count/$maxcount) : $maxsize), 1);
-				
+
 				if (($size>=5) || !$scale)
 					$themeobject->output('<a href="'.qa_path_html('tag/'.$tag).'" style="font-size:'.$size.'px; vertical-align:baseline;">'.qa_html($tag).'</a>');
 			}
-			
+
 			$themeobject->output('</div>');
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/wysiwyg-editor/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/wysiwyg-editor/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates WYSIWYG editor plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: WYSIWYG Editor
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Wrapper for CKEditor WYSIWYG rich text editor
 	Plugin Version: 1.1.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.3
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 

qa-plugin/wysiwyg-editor/qa-wysiwyg-editor.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/wysiwyg-editor/qa-wysiwyg-editor.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Editor module class for WYSIWYG editor plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,44 +26,44 @@
 
 
 	class qa_wysiwyg_editor {
-		
+
 		var $urltoroot;
-		
+
 		function load_module($directory, $urltoroot)
 		{
 			$this->urltoroot=$urltoroot;
 		}
 
-		
+
 		function option_default($option)
 		{
 			if ($option=='wysiwyg_editor_upload_max_size') {
 				require_once QA_INCLUDE_DIR.'qa-app-upload.php';
-				
+
 				return min(qa_get_max_upload_size(), 1048576);
 			}
 		}
-	
-	
+
+
 		function bytes_to_mega_html($bytes)
 		{
 			return qa_html(number_format($bytes/1048576, 1));
 		}
-	
-	
+
+
 		function admin_form(&$qa_content)
 		{
 			require_once QA_INCLUDE_DIR.'qa-app-upload.php';
-			
+
 			$saved=false;
-			
+
 			if (qa_clicked('wysiwyg_editor_save_button')) {
 				qa_opt('wysiwyg_editor_upload_images', (int)qa_post_text('wysiwyg_editor_upload_images_field'));
 				qa_opt('wysiwyg_editor_upload_all', (int)qa_post_text('wysiwyg_editor_upload_all_field'));
 				qa_opt('wysiwyg_editor_upload_max_size', min(qa_get_max_upload_size(), 1048576*(float)qa_post_text('wysiwyg_editor_upload_max_size_field')));
 				$saved=true;
 			}
-			
+
 			qa_set_display_rules($qa_content, array(
 				'wysiwyg_editor_upload_all_display' => 'wysiwyg_editor_upload_images_field',
 				'wysiwyg_editor_upload_max_size_display' => 'wysiwyg_editor_upload_images_field',
@@ -71,7 +71,7 @@
 
 			return array(
 				'ok' => $saved ? 'WYSIWYG editor settings saved' : null,
-				
+
 				'fields' => array(
 					array(
 						'label' => 'Allow images to be uploaded',
@@ -87,7 +87,7 @@
 						'value' => (int)qa_opt('wysiwyg_editor_upload_all'),
 						'tags' => 'name="wysiwyg_editor_upload_all_field"',
 					),
-					
+
 					array(
 						'id' => 'wysiwyg_editor_upload_max_size_display',
 						'label' => 'Maximum size of uploads:',
@@ -97,7 +97,7 @@
 						'tags' => 'name="wysiwyg_editor_upload_max_size_field"',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -106,8 +106,8 @@
 				),
 			);
 		}
-		
-	
+
+
 		function calc_quality($content, $format)
 		{
 			if ($format=='html')
@@ -118,21 +118,21 @@
 				return 0;
 		}
 
-		
+
 		function get_field(&$qa_content, $content, $format, $fieldname, $rows /* $autofocus parameter deprecated */)
 		{
-			$scriptsrc=$this->urltoroot.'ckeditor.js?'.QA_VERSION;			
+			$scriptsrc=$this->urltoroot.'ckeditor.js?'.QA_VERSION;
 			$alreadyadded=false;
 
 			if (isset($qa_content['script_src']))
 				foreach ($qa_content['script_src'] as $testscriptsrc)
 					if ($testscriptsrc==$scriptsrc)
 						$alreadyadded=true;
-					
+
 			if (!$alreadyadded) {
 				$uploadimages=qa_opt('wysiwyg_editor_upload_images');
 				$uploadall=$uploadimages && qa_opt('wysiwyg_editor_upload_all');
-				
+
 				$qa_content['script_src'][]=$scriptsrc;
 				$qa_content['script_lines'][]=array(
 					"qa_wysiwyg_editor_config={toolbar:[".
@@ -157,8 +157,8 @@
 					($uploadall ? (", filebrowserUploadUrl:".qa_js(qa_path('wysiwyg-editor-upload'))) : "").
 					"};"
 				);
-			}		
-				
+			}
+
 			if ($format=='html') {
 				$html=$content;
 				$text=$this->html_to_text($content);
@@ -166,7 +166,7 @@
 				$text=$content;
 				$html=qa_html($content, true);
 			}
-			
+
 			return array(
 				'tags' => 'name="'.$fieldname.'"',
 				'value' => qa_html($text),
@@ -174,39 +174,39 @@
 				'html_prefix' => '<input name="'.$fieldname.'_ckeditor_ok" id="'.$fieldname.'_ckeditor_ok" type="hidden" value="0"><input name="'.$fieldname.'_ckeditor_data" id="'.$fieldname.'_ckeditor_data" type="hidden" value="'.qa_html($html).'">',
 			);
 		}
-	
-	
+
+
 		function load_script($fieldname)
 		{
 			return "if (qa_ckeditor_".$fieldname."=CKEDITOR.replace(".qa_js($fieldname).", window.qa_wysiwyg_editor_config)) { qa_ckeditor_".$fieldname.".setData(document.getElementById(".qa_js($fieldname.'_ckeditor_data').").value); document.getElementById(".qa_js($fieldname.'_ckeditor_ok').").value=1; }";
 		}
 
-		
+
 		function focus_script($fieldname)
 		{
 			return "if (qa_ckeditor_".$fieldname.") qa_ckeditor_".$fieldname.".focus();";
 		}
 
-		
+
 		function update_script($fieldname)
 		{
 			return "if (qa_ckeditor_".$fieldname.") qa_ckeditor_".$fieldname.".updateElement();";
 		}
 
-		
+
 		function read_post($fieldname)
 		{
 			if (qa_post_text($fieldname.'_ckeditor_ok')) { // CKEditor was loaded successfully
 				$html=qa_post_text($fieldname);
-			
+
 				$htmlformatting=preg_replace('/<\s*\/?\s*(br|p)\s*\/?\s*>/i', '', $html); // remove <p>, <br>, etc... since those are OK in text
-			
+
 				if (preg_match('/<.+>/', $htmlformatting)) // if still some other tags, it's worth keeping in HTML
 					return array(
 						'format' => 'html',
 						'content' => qa_sanitize_html($html, false, true), // qa_sanitize_html() is ESSENTIAL for security
 					);
-			
+
 				else { // convert to text
 					$viewer=qa_load_module('viewer', '');
 
@@ -222,16 +222,16 @@
 					'content' => qa_post_text($fieldname),
 				);
 		}
-		
+
 		function html_to_text($html)
 		{
 			$viewer=qa_load_module('viewer', '');
 
 			return $viewer->get_text($html, 'html', array());
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/wysiwyg-editor/qa-wysiwyg-upload.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/wysiwyg-editor/qa-wysiwyg-upload.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Page module class for WYSIWYG editor (CKEditor) file upload receiver
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,41 +26,41 @@
 
 
 	class qa_wysiwyg_upload {
-	
+
 		function match_request($request)
 		{
 			return ($request=='wysiwyg-editor-upload');
 		}
 
-		
+
 		function process_request($request)
 		{
 			$message='';
 			$url='';
-			
+
 			if (is_array($_FILES) && count($_FILES)) {
 				if (!qa_opt('wysiwyg_editor_upload_images'))
 					$message=qa_lang('users/no_permission');
-					
+
 				require_once QA_INCLUDE_DIR.'qa-app-upload.php';
-				
+
 				$upload=qa_upload_file_one(
 					qa_opt('wysiwyg_editor_upload_max_size'),
 					qa_get('qa_only_image') || !qa_opt('wysiwyg_editor_upload_all'),
 					qa_get('qa_only_image') ? 600 : null, // max width if it's an image upload
 					null // no max height
 				);
-				
+
 				$message=@$upload['error'];
 				$url=@$upload['bloburl'];
 			}
-			
+
 			echo "<script type='text/javascript'>window.parent.CKEDITOR.tools.callFunction(".qa_js(qa_get('CKEditorFuncNum')).
 				", ".qa_js($url).", ".qa_js($message).");</script>";
-			
+
 			return null;
 		}
-		
+
 	}
 
 

qa-plugin/xml-sitemap/qa-plugin.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/xml-sitemap/qa-plugin.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Initiates XML sitemap plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -26,7 +26,7 @@
 
 /*
 	Plugin Name: XML Sitemap
-	Plugin URI: 
+	Plugin URI:
 	Plugin Description: Generates sitemap.xml file for submission to search engines
 	Plugin Version: 1.1.1
 	Plugin Date: 2011-12-06
@@ -34,7 +34,7 @@
 	Plugin Author URI: http://www.question2answer.org/
 	Plugin License: GPLv2
 	Plugin Minimum Question2Answer Version: 1.5
-	Plugin Update Check URI: 
+	Plugin Update Check URI:
 */
 
 
@@ -45,7 +45,7 @@
 
 
 	qa_register_plugin_module('page', 'qa-xml-sitemap.php', 'qa_xml_sitemap', 'XML Sitemap');
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-plugin/xml-sitemap/qa-xml-sitemap.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-plugin/xml-sitemap/qa-xml-sitemap.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Page module class for XML sitemap plugin
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -25,17 +25,17 @@
 */
 
 	class qa_xml_sitemap {
-		
+
 		var $directory;
 		var $urltoroot;
-		
+
 		function load_module($directory, $urltoroot)
 		{
 			$this->directory=$directory;
 			$this->urltoroot=$urltoroot;
 		}
 
-		
+
 		function option_default($option)
 		{
 			switch ($option) {
@@ -48,31 +48,31 @@
 					break;
 			}
 		}
-	
-	
+
+
 		function admin_form()
 		{
 			require_once QA_INCLUDE_DIR.'qa-util-sort.php';
-			
+
 			$saved=false;
-			
+
 			if (qa_clicked('xml_sitemap_save_button')) {
 				qa_opt('xml_sitemap_show_questions', (int)qa_post_text('xml_sitemap_show_questions_field'));
-				
+
 				if (!QA_FINAL_EXTERNAL_USERS)
 					qa_opt('xml_sitemap_show_users', (int)qa_post_text('xml_sitemap_show_users_field'));
-				
+
 				if (qa_using_tags())
 					qa_opt('xml_sitemap_show_tag_qs', (int)qa_post_text('xml_sitemap_show_tag_qs_field'));
-					
+
 				if (qa_using_categories()) {
 					qa_opt('xml_sitemap_show_category_qs', (int)qa_post_text('xml_sitemap_show_category_qs_field'));
 					qa_opt('xml_sitemap_show_categories', (int)qa_post_text('xml_sitemap_show_categories_field'));
 				}
-				
+
 				$saved=true;
 			}
-			
+
 			$form=array(
 				'ok' => $saved ? 'XML sitemap settings saved' : null,
 
@@ -84,7 +84,7 @@
 						'tags' => 'name="xml_sitemap_show_questions_field"',
 					),
 				),
-				
+
 				'buttons' => array(
 					array(
 						'label' => 'Save Changes',
@@ -92,7 +92,7 @@
 					),
 				),
 			);
-			
+
 			if (!QA_FINAL_EXTERNAL_USERS)
 				$form['fields']['users']=array(
 					'label' => 'Include user pages',
@@ -100,7 +100,7 @@
 					'value' => (int)qa_opt('xml_sitemap_show_users'),
 					'tags' => 'name="xml_sitemap_show_users_field"',
 				);
-			
+
 			if (qa_using_tags())
 				$form['fields']['tagqs']=array(
 					'label' => 'Include question list for each tag',
@@ -128,9 +128,9 @@
 			return $form;
 		}
 
-		
+
 		function suggest_requests()
-		{	
+		{
 			return array(
 				array(
 					'title' => 'XML Sitemap',
@@ -140,43 +140,43 @@
 			);
 		}
 
-		
+
 		function match_request($request)
 		{
 			return ($request=='sitemap.xml');
 		}
 
-		
+
 		function process_request($request)
 		{
 			@ini_set('display_errors', 0); // we don't want to show PHP errors inside XML
 
 			$siteurl=qa_opt('site_url');
-			
+
 			header('Content-type: text/xml; charset=utf-8');
-			
+
 			echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
 			echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."\n";
-		
+
 
 		//	Question pages
-		
+
 			if (qa_opt('xml_sitemap_show_questions')) {
 				$hotstats=qa_db_read_one_assoc(qa_db_query_sub(
 					"SELECT MIN(hotness) AS base, MAX(hotness)-MIN(hotness) AS spread FROM ^posts WHERE type='Q'"
 				));
-				
+
 				$nextpostid=0;
-				
+
 				while (1) {
 					$questions=qa_db_read_all_assoc(qa_db_query_sub(
 						"SELECT postid, title, hotness FROM ^posts WHERE postid>=# AND type='Q' ORDER BY postid LIMIT 100",
 						$nextpostid
 					));
-					
+
 					if (!count($questions))
 						break;
-	
+
 					foreach ($questions as $question) {
 						$this->sitemap_output(qa_q_request($question['postid'], $question['title']),
 							0.1+0.9*($question['hotness']-$hotstats['base'])/(1+$hotstats['spread']));
@@ -184,106 +184,106 @@
 					}
 				}
 			}
-		
+
 
 		//	User pages
-		
+
 			if ((!QA_FINAL_EXTERNAL_USERS) && qa_opt('xml_sitemap_show_users')) {
 				$nextuserid=0;
-				
+
 				while (1) {
 					$users=qa_db_read_all_assoc(qa_db_query_sub(
 						"SELECT userid, handle FROM ^users WHERE userid>=# ORDER BY userid LIMIT 100",
 						$nextuserid
 					));
-					
+
 					if (!count($users))
 						break;
-					
+
 					foreach ($users as $user) {
 						$this->sitemap_output('user/'.$user['handle'], 0.25);
 						$nextuserid=max($nextuserid, $user['userid']+1);
 					}
 				}
 			}
-			
+
 
 		//	Tag pages
-			
+
 			if (qa_using_tags() && qa_opt('xml_sitemap_show_tag_qs')) {
 				$nextwordid=0;
-			
+
 				while (1) {
 					$tagwords=qa_db_read_all_assoc(qa_db_query_sub(
 						"SELECT wordid, word, tagcount FROM ^words WHERE wordid>=# AND tagcount>0 ORDER BY wordid LIMIT 100",
 						$nextwordid
 					));
-					
+
 					if (!count($tagwords))
 						break;
-						
+
 					foreach ($tagwords as $tagword) {
 						$this->sitemap_output('tag/'.$tagword['word'], 0.5/(1+(1/$tagword['tagcount']))); // priority between 0.25 and 0.5 depending on tag frequency
 						$nextwordid=max($nextwordid, $tagword['wordid']+1);
-					}				
+					}
 				}
 			}
-			
-			
+
+
 		//	Question list for each category
-		
+
 			if (qa_using_categories() && qa_opt('xml_sitemap_show_category_qs')) {
 				$nextcategoryid=0;
-				
+
 				while (1) {
 					$categories=qa_db_read_all_assoc(qa_db_query_sub(
 						"SELECT categoryid, backpath FROM ^categories WHERE categoryid>=# AND qcount>0 ORDER BY categoryid LIMIT 2",
 						$nextcategoryid
 					));
-					
+
 					if (!count($categories))
 						break;
-						
+
 					foreach ($categories as $category) {
 						$this->sitemap_output('questions/'.implode('/', array_reverse(explode('/', $category['backpath']))), 0.5);
 						$nextcategoryid=max($nextcategoryid, $category['categoryid']+1);
 					}
 				}
 			}
-			
-		
+
+
 		//	Pages in category browser
-		
+
 			if (qa_using_categories() && qa_opt('xml_sitemap_show_categories')) {
 				$this->sitemap_output('categories', 0.5);
-				
+
 				$nextcategoryid=0;
-				
+
 				while (1) { // only find categories with a child
 					$categories=qa_db_read_all_assoc(qa_db_query_sub(
 						"SELECT parent.categoryid, parent.backpath FROM ^categories AS parent ".
 						"JOIN ^categories AS child ON child.parentid=parent.categoryid WHERE parent.categoryid>=# GROUP BY parent.categoryid LIMIT 100",
 						$nextcategoryid
 					));
-				
+
 					if (!count($categories))
 						break;
-						
+
 					foreach ($categories as $category) {
 						$this->sitemap_output('categories/'.implode('/', array_reverse(explode('/', $category['backpath']))), 0.5);
 						$nextcategoryid=max($nextcategoryid, $category['categoryid']+1);
 					}
 				}
 			}
-			
+
 
 		//	Finish up...
-			
+
 			echo "</urlset>\n";
-			
+
 			return null;
 		}
-		
+
 
 		function sitemap_output($request, $priority)
 		{
@@ -292,9 +292,9 @@
 				"\t\t<priority>".max(0, min(1.0, $priority))."</priority>\n".
 				"\t</url>\n";
 		}
-	
+
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-theme/Candy/qa-styles.css

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-theme/Candy/qa-styles.css
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: CSS file for included Candy theme
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -23,13 +23,13 @@
 */
 
 /*
-	Theme URI: 
+	Theme URI:
 	Theme Version: 1.5
 	Theme Date: 2012-09-11
 	Theme Author: Question2Answer
 	Theme Author URI: http://www.question2answer.org/
 	Theme License: GPLv2
-	Theme Update Check URI: 
+	Theme Update Check URI:
 */
 
 
@@ -267,7 +267,7 @@ h2 {font-size:22px; color:#c659ab; padding-top:12px; clear:both;}
 	.qa-vote-down-button {background-position:-27px 0; color:#f1c96b;}
 	.qa-vote-down-disabled {background-position:-27px -116px; color:#CCC;}
 	.qa-vote-down-button:hover {background-position:-27px -29px; color:#f1c96b;}
-	
+
 .qa-voted-up-button {background:url(vote-buttons.png); border:0; color:#f1c96b; font-size:1px; height:29px; width:27px;}
 	.qa-voted-up-button {background-position:0 -87px; color:#f1c96b;}
 	.qa-voted-up-button:hover {background-position:0 -29px; color:#f1c96b;}

qa-theme/Candy/qa-theme.php

@@ -5,7 +5,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-theme/Candy/qa-theme.php
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: Override something in base theme class for Candy theme
@@ -15,7 +15,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -32,7 +32,7 @@
 			$this->nav('user');
 		}
 	}
-	
+
 
 /*
 	Omit PHP closing tag to help avoid accidental output

qa-theme/Classic/qa-styles.css

@@ -3,7 +3,7 @@
 
 	http://www.question2answer.org/
 
-	
+
 	File: qa-theme/Classic/qa-styles.css
 	Version: See define()s at top of qa-include/qa-base.php
 	Description: CSS file for included Classic theme
@@ -13,7 +13,7 @@
 	modify it under the terms of the GNU General Public License
 	as published by the Free Software Foundation; either version 2
 	of the License, or (at your option) any later version.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -23,13 +23,13 @@
 */
 
 /*
-	Theme URI: 
+	Theme URI:
 	Theme Version: 1.5
 	Theme Date: 2012-09-11
 	Theme Author: Question2Answer
 	Theme Author URI: http://www.question2answer.org/
 	Theme License: GPLv2
-	Theme Update Check URI: 
+	Theme Update Check URI:
 */
 
 
@@ -248,7 +248,7 @@ h2 {font-size:16px; padding-top:12px; clear:both;}
 	.qa-vote-down-button {background-position:-17px 0; color:#38544e;}
 	.qa-vote-down-disabled {background-position:-17px -60px; color:#38544e;}
 	.qa-vote-down-button:hover {background-position:-17px -15px; color:#65968e;}
-	
+
 .qa-voted-up-button {background:url(vote-buttons.gif) no-repeat; border:0; font-size:1px; height:15px; width:17px;}
 	.qa-voted-up-button {background-position:0 -30px; color:#f3cb7f;}
 	.qa-voted-up-button:hover {background-position:0 -45px; color:#f3cb7f;}

qa-theme/Snow/qa-styles.css

 /*
 	Theme Name: Snow
-	Theme URI: 
+	Theme URI:
 	Theme Version: 1.3
 	Theme Date: 2013-11-13
 	Theme Author: Q2A Market
@@ -8,7 +8,7 @@
 	Theme License: GPLv2
 */
 
-    
+
 /*---[ Start: global css ]---*/
 .clearfix:after,
 #qa-login-group:after,
@@ -48,7 +48,7 @@
 .qa-nav-main-list,
 .qa-nav-sub-list,
 .qa-nav-cat-item { display: block; }
-/* End hide from IE-mac */ 
+/* End hide from IE-mac */
 
 :-moz-placeholder{
 	color:#aaa !important;
@@ -99,7 +99,7 @@ input[type="text"],input[type="password"],textarea,select,checkbox,radio{
 	transition:box-shadow ease-in-out 0.5s, border ease-in-out 0.5s;
 }
 input[type="text"]:focus,input[type="password"]:focus,textarea:focus{
-	box-shadow:0 2px 2px 0 rgba(0,0,0,0.3) inset;	
+	box-shadow:0 2px 2px 0 rgba(0,0,0,0.3) inset;
 	border:1px solid #00AAFF !important;
 	color:#333;
 	line-height: normal;
@@ -137,7 +137,7 @@ h1 {
 	line-height:1.1em;
 	border-bottom:1px solid #ddd;
 	position:relative;
-	padding:14px 25px 5px 0;	
+	padding:14px 25px 5px 0;
 }
 h2 {
 	font-size:16px;
@@ -150,7 +150,7 @@ h2 {
 	border-radius: 3px;
 	box-shadow: 0 -25px 25px -25px rgba(255,255,255,1) inset;
 	border:1px solid #ddd;
-	text-shadow:1px 1px 0 rgba(255,255,255,1);	
+	text-shadow:1px 1px 0 rgba(255,255,255,1);
 }
 h3{
 	margin:0 0 10px 0;
@@ -214,7 +214,7 @@ p {
 	background: -o-linear-gradient(top,  #1ca0cc 0%,#0099cc 100%); /* Opera 11.10+ */
 	background: -ms-linear-gradient(top,  #1ca0cc 0%,#0099cc 100%); /* IE10+ */
 	background: linear-gradient(to bottom,  #1ca0cc 0%,#0099cc 100%); /* W3C */
-	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1ca0cc', endColorstr='#0099cc',GradientType=0 ); /* IE6-8 */	
+	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1ca0cc', endColorstr='#0099cc',GradientType=0 ); /* IE6-8 */
 }
 /*---[ Begin: login bar css ]---*/
 #qa-login-bar{
@@ -495,7 +495,7 @@ div.header-banner{
 	-webkit-transition:all ease-in-out 0.5s;
 	-o-transition:all ease-in-out 0.5s;
 	-ms-transition:all ease-in-out 0.5s;
-	transition:all ease-in-out 0.5s;	
+	transition:all ease-in-out 0.5s;
 }
 .qa-nav-main-link:hover,.qa-nav-main-selected {
 	text-decoration:none;
@@ -504,7 +504,7 @@ div.header-banner{
 	-webkit-transition:all ease-in-out 0.2s;
 	-o-transition:all ease-in-out 0.2s;
 	-ms-transition:all ease-in-out 0.2s;
-	transition:all ease-in-out 0.2s;	
+	transition:all ease-in-out 0.2s;
 }
 .qa-nav-main-custom-1 .qa-nav-main-link{
 	border-left:none;
@@ -549,7 +549,7 @@ div.header-banner{
 	-webkit-transition:all ease-in-out 0.5s;
 	-o-transition:all ease-in-out 0.5s;
 	-ms-transition:all ease-in-out 0.5s;
-	transition:all ease-in-out 0.5s;	
+	transition:all ease-in-out 0.5s;
 }
 .qa-nav-sub-link:hover,.qa-nav-sub-selected {
 	color:#000 !important;
@@ -561,7 +561,7 @@ div.header-banner{
 	-webkit-transition:all ease-in-out 0.2s;
 	-o-transition:all ease-in-out 0.2s;
 	-ms-transition:all ease-in-out 0.2s;
-	transition:all ease-in-out 0.2s;	
+	transition:all ease-in-out 0.2s;
 }
 .qa-nav-sub-hot .qa-nav-sub-link{
 	color:#af0000 !important;
@@ -789,7 +789,7 @@ div.header-banner{
 	height:60px;
 	text-align:center;
 	margin-right:5px;
-	padding:0;	
+	padding:0;
 	border-radius: 3px;
 }
 .qa-a-count-zero{
@@ -897,7 +897,7 @@ div.header-banner{
 }
 .qa-error a{
 	color:#fff;
-	font-weight:bold;	
+	font-weight:bold;
 }
 .qa-error a:hover{
 	text-decoration:underline;
@@ -928,7 +928,7 @@ div.header-banner{
 	padding-left:20px;
 }
 .qa-footer-bottom-group{
-	background:#ddd;	
+	background:#ddd;
 	border-top:1px solid #aaa;
 }
 .qa-footer {
@@ -942,7 +942,7 @@ div.header-banner{
 .qa-footer a, .qa-footer a:visited{
 	text-decoration:underline;
 }
-/* IE6 
+/* IE6
  Widget wrappers */
 .qa-widget-full {
 clear:both;
@@ -1887,7 +1887,7 @@ margin:2px 0;
 .qa-c-item-content {
 display:block;
 margin-bottom:6px;
-font-size:12px; 
+font-size:12px;
 }
 .qa-c-item-footer {
 position:relative;
@@ -2092,14 +2092,14 @@ padding:10px;
 	font-size:0;
 	margin:0px 8px 0px 4px;
 	vertical-align:middle;
-} 
+}
 .qa-favoriting .qa-waiting{
-	position:absolute; 
+	position:absolute;
 	padding:0;
 	left:50%;
 	top:50%;
 	margin:-7px 0 0 -7px;
-} 
+}
 .qa-a-selection .qa-waiting {
 	position:absolute;
 	padding:0;

qa-theme/Snow/qa-theme.php

@@ -2,12 +2,12 @@
 
 
 	class qa_html_theme extends qa_html_theme_base
-	{	
+	{
 
 		function head_script() // change style of WYSIWYG editor to match theme better
 		{
 			qa_html_theme_base::head_script();
-			
+
 			$this->output(
 				'<script type="text/javascript">',
 				"if (typeof qa_wysiwyg_editor_config == 'object')",
@@ -15,15 +15,15 @@
 				'</script>'
 			);
 		}
-		
+
 		function nav_user_search() // outputs login form if user not logged in
 		{
 			if (!qa_is_logged_in()) {
 				$login=@$this->content['navigation']['user']['login'];
-				
+
 				if (isset($login) && !QA_FINAL_EXTERNAL_USERS) {
 					$this->output(
-						'<!--[Begin: login form]-->',				
+						'<!--[Begin: login form]-->',
 						'<form id="qa-loginform" action="'.$login['url'].'" method="post">',
 							'<input type="text" id="qa-userid" name="emailhandle" placeholder="'.trim(qa_lang_html(qa_opt('allow_login_email_only') ? 'users/email_label' : 'users/email_handle_label'), ':').'" />',
 							'<input type="password" id="qa-password" name="password" placeholder="'.trim(qa_lang_html('users/password_label'), ':').'" />',
@@ -31,18 +31,18 @@
 							'<label for="qa-rememberme" id="qa-remember">'.qa_lang_html('users/remember').'</label></div>',
 							'<input type="hidden" name="code" value="'.qa_html(qa_get_form_security_code('login')).'"/>',
 							'<input type="submit" value="'.$login['label'].'" id="qa-login" name="dologin" />',
-						'</form>',				
+						'</form>',
 						'<!--[End: login form]-->'
 					);
-					
+
 					unset($this->content['navigation']['user']['login']); // removes regular navigation link to log in page
 				}
 			}
-			
+
 			qa_html_theme_base::nav_user_search();
 		}
-		
-		function logged_in() 
+
+		function logged_in()
 		{
 			if (qa_is_logged_in()) // output user avatar to login bar
 				$this->output(
@@ -53,17 +53,17 @@
 						qa_get_logged_in_user_field('avatarblobid'), qa_get_logged_in_user_field('avatarwidth'), qa_get_logged_in_user_field('avatarheight'),
 						24, true),
             		'</div>'
-            	);				
-			
+            	);
+
 			qa_html_theme_base::logged_in();
-			
+
 			if (qa_is_logged_in()) { // adds points count after logged in username
 				$userpoints=qa_get_logged_in_points();
-				
+
 				$pointshtml=($userpoints==1)
 					? qa_lang_html_sub('main/1_point', '1', '1')
 					: qa_lang_html_sub('main/x_points', qa_html(number_format($userpoints)));
-						
+
 				$this->output(
 					'<span class="qa-logged-in-points">',
 					'('.$pointshtml.')',
@@ -71,14 +71,14 @@
 				);
 			}
 		}
-    
+
 		function body_header() // adds login bar, user navigation and search at top of page in place of custom header content
 		{
 			$this->output('<div id="qa-login-bar"><div id="qa-login-group">');
 			$this->nav_user_search();
             $this->output('</div></div>');
         }
-		
+
 		function header_custom() // allows modification of custom element shown inside header after logo
 		{
 			if (isset($this->content['body_header'])) {
@@ -87,12 +87,12 @@
 				$this->output('</div>');
 			}
 		}
-		
+
 		function header() // removes user navigation and search from header and replaces with custom header content. Also opens new <div>s
-		{	
+		{
 			$this->output('<div class="qa-header">');
-			
-			$this->logo();						
+
+			$this->logo();
 			$this->header_clear();
 			$this->header_custom();
 
@@ -103,53 +103,53 @@
 			$this->nav_main_sub();
 
 		}
-		
+
 		function sidepanel() // removes sidebar for user profile pages
 		{
 			if ($this->template!='user')
 				qa_html_theme_base::sidepanel();
 		}
-		
+
 		function footer() // prevent display of regular footer content (see body_suffix()) and replace with closing new <div>s
 		{
 			$this->output('</div> <!-- END main-wrapper -->');
-			$this->output('</div> <!-- END main-shadow -->');		
-		}		
-		
+			$this->output('</div> <!-- END main-shadow -->');
+		}
+
 		function title() // add RSS feed icon after the page title
 		{
 			qa_html_theme_base::title();
-			
+
 			$feed=@$this->content['feed'];
-			
+
 			if (!empty($feed))
 				$this->output('<a href="'.$feed['url'].'" title="'.@$feed['label'].'"><img src="'.$this->rooturl.'images/rss.jpg" alt="" width="16" height="16" border="0" class="qa-rss-icon"/></a>');
 		}
-		
+
 		function q_item_stats($q_item) // add view count to question list
 		{
 			$this->output('<div class="qa-q-item-stats">');
-			
+
 			$this->voting($q_item);
 			$this->a_count($q_item);
 			qa_html_theme_base::view_count($q_item);
 
 			$this->output('</div>');
 		}
-		
+
 		function view_count($q_item) // prevent display of view count in the usual place
-		{	
+		{
 			if ($this->template=='question')
 				qa_html_theme_base::view_count($q_item);
 		}
-		
+
 		function body_suffix() // to replace standard Q2A footer
         {
 			$this->output('<div class="qa-footer-bottom-group">');
 			qa_html_theme_base::footer();
 			$this->output('</div> <!-- END footer-bottom-group -->', '');
         }
-		
+
 		function attribution()
 		{
 			$this->output(
@@ -160,7 +160,7 @@
 
 			qa_html_theme_base::attribution();
 		}
-		
+
 	}