Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/html-string-funcs.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Spidermonkey and IE has some string functions useable for building
 // HTML.
 function CheckSimple(f, tag) {
   assertEquals('<' + tag + '>foo</' + tag + '>',
-               "foo"[f]().toLowerCase()); 
+               "foo"[f]().toLowerCase());
 };
 var simple = { big: 'big', blink: 'blink', bold: 'b',
                fixed: 'tt', italics: 'i', small: 'small',
                strike: 'strike', sub: 'sub', sup: 'sup' };
 for (var i in simple) CheckSimple(i, simple[i]);
 
 
 function CheckCompound(f, tag, att) {
   assertEquals('<' + tag + ' ' + att + '="bar">foo</' + tag + '>',
                "foo"[f]("bar").toLowerCase());
 };
 CheckCompound('anchor', 'a', 'name');
 CheckCompound('link', 'a', 'href');
 CheckCompound('fontcolor', 'font', 'color');
 CheckCompound('fontsize', 'font', 'size');