Minor bug in wml::des::navbar

[Florian Hars <nospam@thanx>]

wml::des::navbar contains the statement $hint = $txt if ($hint eq '');
which lets Netscape choke on the result of

#use wml::des::navbar
<navbar:define name=foo txtcol_normal="#000000">
<navbar:button id=foo url=foo.html img=foo.gif txt=foo>
</navbar:define>
<navbar:render name=foo>

with 

JavaScript Error: http://.../test.html, line 1:

unterminated string literal.

self.status = '<font color=
..............^

I think the $txt cleanup should be moved into the $txtonly rendering
part and the $img cleanup into the else part of that statement.

See also the code mentioned in my other posting.

Yours, Florian.
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