diff --git a/wp-admin/js/inline-edit-post.js b/wp-admin/js/inline-edit-post.js
index 8305a8e82b..48e635f23c 100644
--- a/wp-admin/js/inline-edit-post.js
+++ b/wp-admin/js/inline-edit-post.js
@@ -110,7 +110,7 @@ inlineEditPost = {
 		if ( 'post' === type ) {
 			// support multi taxonomies?
 			tax = 'post_tag';
-			$('tr.inline-editor textarea[name="tax_input['+tax+']"]').suggest( ajaxurl + '?action=ajax-tag-search&tax=' + tax, { delay: 500, minchars: 2, multiple: true, multipleSep: inlineEditL10n.comma + ' ' } );
+			$('tr.inline-editor textarea[name="tax_input['+tax+']"]').suggest( ajaxurl + '?action=ajax-tag-search&tax=' + tax, { delay: 500, minchars: 2, multiple: true, multipleSep: inlineEditL10n.comma } );
 		}
 		$('html, body').animate( { scrollTop: 0 }, 'fast' );
 	},
@@ -195,7 +195,7 @@ inlineEditPost = {
 				textarea.val(terms);
 			}
 
-			textarea.suggest( ajaxurl + '?action=ajax-tag-search&tax=' + taxname, { delay: 500, minchars: 2, multiple: true, multipleSep: inlineEditL10n.comma + ' ' } );
+			textarea.suggest( ajaxurl + '?action=ajax-tag-search&tax=' + taxname, { delay: 500, minchars: 2, multiple: true, multipleSep: inlineEditL10n.comma } );
 		});
 
 		// handle the post status
diff --git a/wp-admin/js/inline-edit-post.min.js b/wp-admin/js/inline-edit-post.min.js
index 2937095f99..7c54650172 100644
--- a/wp-admin/js/inline-edit-post.min.js
+++ b/wp-admin/js/inline-edit-post.min.js
@@ -1 +1 @@
-var inlineEditPost;!function(a){inlineEditPost={init:function(){var b=this,c=a("#inline-edit"),d=a("#bulk-edit");b.type=a("table.widefat").hasClass("pages")?"page":"post",b.what="#post-",c.keyup(function(a){return 27===a.which?inlineEditPost.revert():void 0}),d.keyup(function(a){return 27===a.which?inlineEditPost.revert():void 0}),a("a.cancel",c).click(function(){return inlineEditPost.revert()}),a("a.save",c).click(function(){return inlineEditPost.save(this)}),a("td",c).keydown(function(a){return 13===a.which?inlineEditPost.save(this):void 0}),a("a.cancel",d).click(function(){return inlineEditPost.revert()}),a('#inline-edit .inline-edit-private input[value="private"]').click(function(){var b=a("input.inline-edit-password-input");a(this).prop("checked")?b.val("").prop("disabled",!0):b.prop("disabled",!1)}),a("#the-list").on("click","a.editinline",function(){return inlineEditPost.edit(this),!1}),a("#bulk-edit").find("fieldset:first").after(a("#inline-edit fieldset.inline-edit-categories").clone()).siblings("fieldset:last").prepend(a("#inline-edit label.inline-edit-tags").clone()),a('select[name="_status"] option[value="future"]',d).remove(),a("#doaction, #doaction2").click(function(c){var d=a(this).attr("id").substr(2);"edit"===a('select[name="'+d+'"]').val()?(c.preventDefault(),b.setBulk()):a("form#posts-filter tr.inline-editor").length>0&&b.revert()})},toggle:function(b){var c=this;"none"===a(c.what+c.getId(b)).css("display")?c.revert():c.edit(b)},setBulk:function(){var b,c="",d=this.type,e=!0;return this.revert(),a("#bulk-edit td").attr("colspan",a(".widefat:first thead th:visible").length),a("table.widefat tbody").prepend(a("#bulk-edit")),a("#bulk-edit").addClass("inline-editor").show(),a('tbody th.check-column input[type="checkbox"]').each(function(){if(a(this).prop("checked")){e=!1;var b,d=a(this).val();b=a("#inline_"+d+" .post_title").html()||inlineEditL10n.notitle,c+='<div id="ttle'+d+'"><a id="_'+d+'" class="ntdelbutton" title="'+inlineEditL10n.ntdeltitle+'">X</a>'+b+"</div>"}}),e?this.revert():(a("#bulk-titles").html(c),a("#bulk-titles a").click(function(){var b=a(this).attr("id").substr(1);a('table.widefat input[value="'+b+'"]').prop("checked",!1),a("#ttle"+b).remove()}),"post"===d&&(b="post_tag",a('tr.inline-editor textarea[name="tax_input['+b+']"]').suggest(ajaxurl+"?action=ajax-tag-search&tax="+b,{delay:500,minchars:2,multiple:!0,multipleSep:inlineEditL10n.comma+" "})),void a("html, body").animate({scrollTop:0},"fast"))},edit:function(b){var c,d,e,f,g,h,i,j,k,l,m=this,n=!0;for(m.revert(),"object"==typeof b&&(b=m.getId(b)),c=["post_title","post_name","post_author","_status","jj","mm","aa","hh","mn","ss","post_password","post_format","menu_order"],"page"===m.type&&c.push("post_parent","page_template"),d=a("#inline-edit").clone(!0),a("td",d).attr("colspan",a(".widefat:first thead th:visible").length),a(m.what+b).hasClass("alternate")&&a(d).addClass("alternate"),a(m.what+b).hide().after(d),e=a("#inline_"+b),a(':input[name="post_author"] option[value="'+a(".post_author",e).text()+'"]',d).val()||a(':input[name="post_author"]',d).prepend('<option value="'+a(".post_author",e).text()+'">'+a("#"+m.type+"-"+b+" .author").text()+"</option>"),1===a(':input[name="post_author"] option',d).length&&a("label.inline-edit-author",d).hide(),k=a(".post_format",e).text(),a("option.unsupported",d).each(function(){var b=a(this);b.val()!==k&&b.remove()}),l=0;l<c.length;l++)a(':input[name="'+c[l]+'"]',d).val(a("."+c[l],e).text());if("open"===a(".comment_status",e).text()&&a('input[name="comment_status"]',d).prop("checked",!0),"open"===a(".ping_status",e).text()&&a('input[name="ping_status"]',d).prop("checked",!0),"sticky"===a(".sticky",e).text()&&a('input[name="sticky"]',d).prop("checked",!0),a(".post_category",e).each(function(){var c,e=a(this).text();e&&(c=a(this).attr("id").replace("_"+b,""),a("ul."+c+"-checklist :checkbox",d).val(e.split(",")))}),a(".tags_input",e).each(function(){var c=a(this).text(),e=a(this).attr("id").replace("_"+b,""),f=a("textarea.tax_input_"+e,d),g=inlineEditL10n.comma;c&&(","!==g&&(c=c.replace(/,/g,g)),f.val(c)),f.suggest(ajaxurl+"?action=ajax-tag-search&tax="+e,{delay:500,minchars:2,multiple:!0,multipleSep:inlineEditL10n.comma+" "})}),f=a("._status",e).text(),"future"!==f&&a('select[name="_status"] option[value="future"]',d).remove(),"private"===f&&(a('input[name="keep_private"]',d).prop("checked",!0),a("input.inline-edit-password-input").val("").prop("disabled",!0)),g=a('select[name="post_parent"] option[value="'+b+'"]',d),g.length>0){for(h=g[0].className.split("-")[1],i=g;n&&(i=i.next("option"),0!==i.length);)j=i[0].className.split("-")[1],h>=j?n=!1:(i.remove(),i=g);g.remove()}return a(d).attr("id","edit-"+b).addClass("inline-editor").show(),a(".ptitle",d).focus(),!1},save:function(b){var c,d,e=a(".post_status_page").val()||"";return"object"==typeof b&&(b=this.getId(b)),a("table.widefat .spinner").show(),c={action:"inline-save",post_type:typenow,post_ID:b,edit_date:"true",post_status:e},d=a("#edit-"+b).find(":input").serialize(),c=d+"&"+a.param(c),a.post(ajaxurl,c,function(c){a("table.widefat .spinner").hide(),c?-1!==c.indexOf("<tr")?(a(inlineEditPost.what+b).remove(),a("#edit-"+b).before(c).remove(),a(inlineEditPost.what+b).hide().fadeIn()):(c=c.replace(/<.[^<>]*?>/g,""),a("#edit-"+b+" .inline-edit-save .error").html(c).show()):a("#edit-"+b+" .inline-edit-save .error").html(inlineEditL10n.error).show(),a("#post-"+b).prev().hasClass("alternate")&&a("#post-"+b).removeClass("alternate")},"html"),!1},revert:function(){var b=a("table.widefat tr.inline-editor").attr("id");return b&&(a("table.widefat .spinner").hide(),"bulk-edit"===b?(a("table.widefat #bulk-edit").removeClass("inline-editor").hide(),a("#bulk-titles").html(""),a("#inlineedit").append(a("#bulk-edit"))):(a("#"+b).remove(),b=b.substr(b.lastIndexOf("-")+1),a(this.what+b).show())),!1},getId:function(b){var c=a(b).closest("tr").attr("id"),d=c.split("-");return d[d.length-1]}},a(document).ready(function(){inlineEditPost.init()}),a(document).on("heartbeat-tick.wp-check-locked-posts",function(b,c){var d=c["wp-check-locked-posts"]||{};a("#the-list tr").each(function(b,c){var e,f,g=c.id,h=a(c);d.hasOwnProperty(g)?h.hasClass("wp-locked")||(e=d[g],h.find(".column-title .locked-text").text(e.text),h.find(".check-column checkbox").prop("checked",!1),e.avatar_src&&(f=a('<img class="avatar avatar-18 photo" width="18" height="18" />').attr("src",e.avatar_src.replace(/&amp;/g,"&")),h.find(".column-title .locked-avatar").empty().append(f)),h.addClass("wp-locked")):h.hasClass("wp-locked")&&h.removeClass("wp-locked").delay(1e3).find(".locked-info span").empty()})}).on("heartbeat-send.wp-check-locked-posts",function(b,c){var d=[];a("#the-list tr").each(function(a,b){b.id&&d.push(b.id)}),d.length&&(c["wp-check-locked-posts"]=d)}).ready(function(){"undefined"!=typeof wp&&wp.heartbeat&&wp.heartbeat.interval(15)})}(jQuery);
\ No newline at end of file
+var inlineEditPost;!function(a){inlineEditPost={init:function(){var b=this,c=a("#inline-edit"),d=a("#bulk-edit");b.type=a("table.widefat").hasClass("pages")?"page":"post",b.what="#post-",c.keyup(function(a){return 27===a.which?inlineEditPost.revert():void 0}),d.keyup(function(a){return 27===a.which?inlineEditPost.revert():void 0}),a("a.cancel",c).click(function(){return inlineEditPost.revert()}),a("a.save",c).click(function(){return inlineEditPost.save(this)}),a("td",c).keydown(function(a){return 13===a.which?inlineEditPost.save(this):void 0}),a("a.cancel",d).click(function(){return inlineEditPost.revert()}),a('#inline-edit .inline-edit-private input[value="private"]').click(function(){var b=a("input.inline-edit-password-input");a(this).prop("checked")?b.val("").prop("disabled",!0):b.prop("disabled",!1)}),a("#the-list").on("click","a.editinline",function(){return inlineEditPost.edit(this),!1}),a("#bulk-edit").find("fieldset:first").after(a("#inline-edit fieldset.inline-edit-categories").clone()).siblings("fieldset:last").prepend(a("#inline-edit label.inline-edit-tags").clone()),a('select[name="_status"] option[value="future"]',d).remove(),a("#doaction, #doaction2").click(function(c){var d=a(this).attr("id").substr(2);"edit"===a('select[name="'+d+'"]').val()?(c.preventDefault(),b.setBulk()):a("form#posts-filter tr.inline-editor").length>0&&b.revert()})},toggle:function(b){var c=this;"none"===a(c.what+c.getId(b)).css("display")?c.revert():c.edit(b)},setBulk:function(){var b,c="",d=this.type,e=!0;return this.revert(),a("#bulk-edit td").attr("colspan",a(".widefat:first thead th:visible").length),a("table.widefat tbody").prepend(a("#bulk-edit")),a("#bulk-edit").addClass("inline-editor").show(),a('tbody th.check-column input[type="checkbox"]').each(function(){if(a(this).prop("checked")){e=!1;var b,d=a(this).val();b=a("#inline_"+d+" .post_title").html()||inlineEditL10n.notitle,c+='<div id="ttle'+d+'"><a id="_'+d+'" class="ntdelbutton" title="'+inlineEditL10n.ntdeltitle+'">X</a>'+b+"</div>"}}),e?this.revert():(a("#bulk-titles").html(c),a("#bulk-titles a").click(function(){var b=a(this).attr("id").substr(1);a('table.widefat input[value="'+b+'"]').prop("checked",!1),a("#ttle"+b).remove()}),"post"===d&&(b="post_tag",a('tr.inline-editor textarea[name="tax_input['+b+']"]').suggest(ajaxurl+"?action=ajax-tag-search&tax="+b,{delay:500,minchars:2,multiple:!0,multipleSep:inlineEditL10n.comma})),void a("html, body").animate({scrollTop:0},"fast"))},edit:function(b){var c,d,e,f,g,h,i,j,k,l,m=this,n=!0;for(m.revert(),"object"==typeof b&&(b=m.getId(b)),c=["post_title","post_name","post_author","_status","jj","mm","aa","hh","mn","ss","post_password","post_format","menu_order"],"page"===m.type&&c.push("post_parent","page_template"),d=a("#inline-edit").clone(!0),a("td",d).attr("colspan",a(".widefat:first thead th:visible").length),a(m.what+b).hasClass("alternate")&&a(d).addClass("alternate"),a(m.what+b).hide().after(d),e=a("#inline_"+b),a(':input[name="post_author"] option[value="'+a(".post_author",e).text()+'"]',d).val()||a(':input[name="post_author"]',d).prepend('<option value="'+a(".post_author",e).text()+'">'+a("#"+m.type+"-"+b+" .author").text()+"</option>"),1===a(':input[name="post_author"] option',d).length&&a("label.inline-edit-author",d).hide(),k=a(".post_format",e).text(),a("option.unsupported",d).each(function(){var b=a(this);b.val()!==k&&b.remove()}),l=0;l<c.length;l++)a(':input[name="'+c[l]+'"]',d).val(a("."+c[l],e).text());if("open"===a(".comment_status",e).text()&&a('input[name="comment_status"]',d).prop("checked",!0),"open"===a(".ping_status",e).text()&&a('input[name="ping_status"]',d).prop("checked",!0),"sticky"===a(".sticky",e).text()&&a('input[name="sticky"]',d).prop("checked",!0),a(".post_category",e).each(function(){var c,e=a(this).text();e&&(c=a(this).attr("id").replace("_"+b,""),a("ul."+c+"-checklist :checkbox",d).val(e.split(",")))}),a(".tags_input",e).each(function(){var c=a(this).text(),e=a(this).attr("id").replace("_"+b,""),f=a("textarea.tax_input_"+e,d),g=inlineEditL10n.comma;c&&(","!==g&&(c=c.replace(/,/g,g)),f.val(c)),f.suggest(ajaxurl+"?action=ajax-tag-search&tax="+e,{delay:500,minchars:2,multiple:!0,multipleSep:inlineEditL10n.comma})}),f=a("._status",e).text(),"future"!==f&&a('select[name="_status"] option[value="future"]',d).remove(),"private"===f&&(a('input[name="keep_private"]',d).prop("checked",!0),a("input.inline-edit-password-input").val("").prop("disabled",!0)),g=a('select[name="post_parent"] option[value="'+b+'"]',d),g.length>0){for(h=g[0].className.split("-")[1],i=g;n&&(i=i.next("option"),0!==i.length);)j=i[0].className.split("-")[1],h>=j?n=!1:(i.remove(),i=g);g.remove()}return a(d).attr("id","edit-"+b).addClass("inline-editor").show(),a(".ptitle",d).focus(),!1},save:function(b){var c,d,e=a(".post_status_page").val()||"";return"object"==typeof b&&(b=this.getId(b)),a("table.widefat .spinner").show(),c={action:"inline-save",post_type:typenow,post_ID:b,edit_date:"true",post_status:e},d=a("#edit-"+b).find(":input").serialize(),c=d+"&"+a.param(c),a.post(ajaxurl,c,function(c){a("table.widefat .spinner").hide(),c?-1!==c.indexOf("<tr")?(a(inlineEditPost.what+b).remove(),a("#edit-"+b).before(c).remove(),a(inlineEditPost.what+b).hide().fadeIn()):(c=c.replace(/<.[^<>]*?>/g,""),a("#edit-"+b+" .inline-edit-save .error").html(c).show()):a("#edit-"+b+" .inline-edit-save .error").html(inlineEditL10n.error).show(),a("#post-"+b).prev().hasClass("alternate")&&a("#post-"+b).removeClass("alternate")},"html"),!1},revert:function(){var b=a("table.widefat tr.inline-editor").attr("id");return b&&(a("table.widefat .spinner").hide(),"bulk-edit"===b?(a("table.widefat #bulk-edit").removeClass("inline-editor").hide(),a("#bulk-titles").html(""),a("#inlineedit").append(a("#bulk-edit"))):(a("#"+b).remove(),b=b.substr(b.lastIndexOf("-")+1),a(this.what+b).show())),!1},getId:function(b){var c=a(b).closest("tr").attr("id"),d=c.split("-");return d[d.length-1]}},a(document).ready(function(){inlineEditPost.init()}),a(document).on("heartbeat-tick.wp-check-locked-posts",function(b,c){var d=c["wp-check-locked-posts"]||{};a("#the-list tr").each(function(b,c){var e,f,g=c.id,h=a(c);d.hasOwnProperty(g)?h.hasClass("wp-locked")||(e=d[g],h.find(".column-title .locked-text").text(e.text),h.find(".check-column checkbox").prop("checked",!1),e.avatar_src&&(f=a('<img class="avatar avatar-18 photo" width="18" height="18" />').attr("src",e.avatar_src.replace(/&amp;/g,"&")),h.find(".column-title .locked-avatar").empty().append(f)),h.addClass("wp-locked")):h.hasClass("wp-locked")&&h.removeClass("wp-locked").delay(1e3).find(".locked-info span").empty()})}).on("heartbeat-send.wp-check-locked-posts",function(b,c){var d=[];a("#the-list tr").each(function(a,b){b.id&&d.push(b.id)}),d.length&&(c["wp-check-locked-posts"]=d)}).ready(function(){"undefined"!=typeof wp&&wp.heartbeat&&wp.heartbeat.interval(15)})}(jQuery);
\ No newline at end of file
diff --git a/wp-includes/js/jquery/suggest.js b/wp-includes/js/jquery/suggest.js
index 60e15c1f8c..87f30122ca 100644
--- a/wp-includes/js/jquery/suggest.js
+++ b/wp-includes/js/jquery/suggest.js
@@ -240,11 +240,11 @@
 			if ($currentResult) {
 				if ( options.multiple ) {
 					if ( $input.val().indexOf(options.multipleSep) != -1 ) {
-						$currentVal = $input.val().substr( 0, ( $input.val().lastIndexOf(options.multipleSep) + options.multipleSep.length ) );
+						$currentVal = $input.val().substr( 0, ( $input.val().lastIndexOf(options.multipleSep) + options.multipleSep.length ) ) + ' ';
 					} else {
 						$currentVal = "";
 					}
-					$input.val( $currentVal + $currentResult.text() + options.multipleSep);
+					$input.val( $currentVal + $currentResult.text() + options.multipleSep + ' ' );
 					$input.focus();
 				} else {
 					$input.val($currentResult.text());
@@ -294,7 +294,7 @@
 
 		options = options || {};
 		options.multiple = options.multiple || false;
-		options.multipleSep = options.multipleSep || ", ";
+		options.multipleSep = options.multipleSep || ",";
 		options.source = source;
 		options.delay = options.delay || 100;
 		options.resultsClass = options.resultsClass || 'ac_results';
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 4ef33a4a0b..df427182b4 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -476,7 +476,7 @@ function wp_default_scripts( &$scripts ) {
 			'error' => __('Error while saving the changes.'),
 			'ntdeltitle' => __('Remove From Bulk Edit'),
 			'notitle' => __('(no title)'),
-			'comma' => _x( ',', 'tag delimiter' ),
+			'comma' => trim( _x( ',', 'tag delimiter' ) ),
 		) );
 
 		$scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery' ), false, 1 );