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copied!<p>Use a hex-editor to inspect the file. Somewhere between <code><body></code> and <code><div...</code> there must be some "invisible" (e.g. '<a href="http://en.wikipedia.org/wiki/Whitespace_character" rel="nofollow noreferrer">whitespace</a>' or otherwise 'invisible') character. A list of hex-editors can be found <a href="http://en.wikipedia.org/wiki/Comparison_of_hex_editors" rel="nofollow noreferrer">here</a>.</p> <p>The quickest solution though, for this example, is to simply save as ANSI/ASCII, reopen and save again as UTF-8. That should get rid of the invisible character or at least show some 'weird' character when reopening.</p> <p><strong>edit</strong> I took a look at the issue you pasted in your question; I think the character got lost by copy/pasting because I don't see anything weird: <img src="https://i.stack.imgur.com/w59lO.png" alt="enter image description here"></p> <p>(Note that <code>0D</code> and <code>0A</code> are Carriage Return / Line Feeds, or "<a href="http://en.wikipedia.org/wiki/Newline#Representations" rel="nofollow noreferrer">normal (windows) newlines</a>" and <code>20</code> is a normal space)</p> <hr> <p>I just remembered: I did see this issue once or twice copying code from <a href="http://jsfiddle.net/" rel="nofollow noreferrer">jsFiddle</a>; it's "formatter/syntax highlighter" seems (or seemed) to add some unwanted characters sometimes. See <a href="https://stackoverflow.com/questions/13463458/get-rid-of-character-from-jsfiddle">this question</a> for example.</p> <p>Also, a <a href="http://en.wikipedia.org/wiki/Byte_order_mark" rel="nofollow noreferrer">BOM</a> sometimes is a source of trouble, but that wouldn't explain (AFAIK) why the space is between <code><body></code> and <code><div...</code> because a BOM is the first few bytes in the file. If you're using multple PHP files with BOM's in them (using <code>include()</code>/<code>require()</code> etc.) to build the final output then one of these files might contain an unwanted(?) BOM.</p>

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