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author | Eric Wong <e@80x24.org> | 2019-10-02 19:32:42 +0000 |
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committer | Eric Wong <e@80x24.org> | 2019-10-02 19:53:30 +0000 |
commit | d07658376f6b05c85ca0763fb06a610a9211fb77 (patch) | |
tree | 2eb884c45d4879282bac24d40d801e9acb74d7a3 | |
parent | 422cbeb718cf2499cd07c9399755d41aea65b1f8 (diff) | |
download | public-inbox-d07658376f6b05c85ca0763fb06a610a9211fb77.tar.gz |
It took me years to discover this change in Perl 5.6, maybe other potential hackers are in the same boat.
-rw-r--r-- | HACKING | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -50,3 +50,11 @@ requirements. See design_www.txt and design_notes.txt in the Documentation/ directory for design decisions made during development. + +Perl notes +---------- + +* \w, \s, \d character classes all match Unicode characters; + so write out class ranges (e.g "[0-9]") if you only intend to + match ASCII. Do not use the "/a" (ASCII) modifier, that requires + Perl 5.14 and we're only depending on 5.10.1 at the moment. |