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Update: Corrected spelling and capitalization mistakes.

As best I can tell, with out use utf8; in your Perl5 program, the Perl5 compiler expects the source code to be 8 bit ANSI characters.1 With use utf8; in effect, you may have UTF8 encoded characters in your source code.

Quoted strings, by default, are treated a streams of 8 bit bytes. With use feature 'unicode_strings'; in effect, you can include UTF8 encoded characters in quoted strings.

If PM could store the characters/bytes within code tags as-is, then only apply HTML encoding when generating HTML output, I think that would achieve the desired result. (the download link could supply the "raw" bytes with Content-type: application/octet)

If that can't be done, maybe instead of HTML encoding, do \x encoding. Either way, non-7-bit-ANSI source code gets messed up, but at least double quoted strings might still be correctly interpreted by the Perl compiler.2


1 I haven't tried using characters in the range 0x80 .. 0xFF in identifiers in Perl5, but Perl5 keywords all use characters < 0x80.

2 The open question is, when use feature 'unicode_strings'; is in effect, would "\x80\x77" be interpreted as 2 characters ("\x80" "\x77") or 1 ("\N{U+8077}") ?

In reply to Re^3: BUG: code blocks don't retain literal formatting -- could they? by RonW
in thread BUG: code blocks don't retain literal formatting -- could they? by perl-diddler

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

  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or or How to display code and escape characters are good places to start.
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