#2 issue in unary nodes parsing

[Frank Diebolt]

Hi,

I experienced problems in parsing unary nodes without
attributes or a space before the closing bracket.

<node/> is NOT OK: parsed as "nod"
<node attr="xx"/> is OK: parsed as "node"
<node /> is OK: parsed as "node"

This patch fixes the Document.pm "fromSubStringBT"
function regexp to parse unary nodes (without other
embedded nodes).

Best regards,
Frank

[Frank Diebolt]

[Frank Diebolt]

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Forgot that the form requires HTML, here is the patch
description update:

&lt;node/&gt; is NOT OK: parsed as "nod"
&lt;node attr="xx"/&gt; is OK: parsed as "node"
&lt;node /&gt; is OK: parsed as "node"