It's probably best left optional since the entire idea of having non-breaking spaces, is, not surprisingly, to prevent the breakage of something. Although admittedly overused on the Web at large, the principle is to provide a visual space between two 'words' which aren't meant to be separated. As such, something like 'Perl Monks' should not be treated as two words, but rather, as a single word. Including 0xA0 in \s would defeat the entire purpose of having   in the first place.

Instead, you could build methods into HTML::Message to strip out these invisible buggers, which is really only a single tr/\xA0/\x20/ operation anyway.

You might find that 0xA0 isn't the only "invisible" character out there either, as it depends on the font that you are using, and will likely vary from UNIX to Windows to Macintosh. Sometimes if the font doesn't have a defined character for that position, it draws nothing, a zero width non-character that is there, but not.

In reply to Re^2: Spaced Out by tadman
in thread Spaced Out by MeowChow

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.