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tinymce.PluginManager.add("visualchars",function(e){function t(t){var n,a,r,o,l,s,c=e.getBody(),d=e.selection;if(i=!i,e.fire("VisualChars",{state:i}),t&&(s=d.getBookmark()),i)for(a=[],tinymce.walk(c,function(e){3==e.nodeType&&e.nodeValue&&-1!=e.nodeValue.indexOf(" ")&&a.push(e)},"childNodes"),r=0;r<a.length;r++){for(o=a[r].nodeValue,o=o.replace(/(\u00a0)/g,'<span data-mce-bogus="1" class="mce-nbsp">$1</span>'),l=e.dom.create("div",null,o);n=l.lastChild;)e.dom.insertAfter(n,a[r]);e.dom.remove(a[r])}else for(a=e.dom.select("span.mce-nbsp",c),r=a.length-1;r>=0;r--)e.dom.remove(a[r],1);d.moveToBookmark(s)}function n(){var t=this;e.on("VisualChars",function(e){t.active(e.state)})}var i;e.addCommand("mceVisualChars",t),e.addButton("visualchars",{title:"Show invisible characters",cmd:"mceVisualChars",onPostRender:n}),e.addMenuItem("visualchars",{text:"Show invisible characters",cmd:"mceVisualChars",onPostRender:n,selectable:!0,context:"view",prependToContext:!0}),e.on("beforegetcontent",function(e){i&&"raw"!=e.format&&!e.draft&&(i=!0,t(!1))})});
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