Remove leading white space check

src/manipulation.js

@@ -1,5 +1,4 @@
-var rleadingWhitespace = /^\s+/,
-	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
+var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
 	rtagName = /<([\w:]+)/,
 	rtbody = /<tbody/i,
 	rhtml = /<|&#?\w+;/,
@@ -195,7 +194,6 @@ jQuery.fn.extend({
 
 			// See if we can take a shortcut and just use innerHTML
 			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
-				( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
 				!wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
 
 				value = value.replace( rxhtmlTag, "<$1></$2>" );
@@ -617,11 +615,6 @@ jQuery.extend({
 						tmp = tmp.lastChild;
 					}
 
-					// Manually add leading whitespace removed by IE
-					if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
-						ret.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
-					}
-
 					// Remove IE's autoinserted <tbody> from table fragments
 					if ( !jQuery.support.tbody ) {
 

src/support.js

@@ -5,7 +5,7 @@ jQuery.support = (function() {
 
 	// Setup
 	div.setAttribute( "className", "t" );
-	div.innerHTML = "  <table></table><a href='/a'>a</a><input type='checkbox'/>";
+	div.innerHTML = "<table></table><a href='/a'>a</a><input type='checkbox'/>";
 
 	// Support tests won't run in some limited or non-browser environments
 	all = div.getElementsByTagName("*");
@@ -24,9 +24,6 @@ jQuery.support = (function() {
 		// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
 		getSetAttribute: div.className !== "t",
 
-		// IE strips leading whitespace when .innerHTML is used
-		leadingWhitespace: div.firstChild.nodeType === 3,
-
 		// Make sure that tbody elements aren't automatically inserted
 		// IE will insert them into empty tables
 		tbody: !div.getElementsByTagName("tbody").length,