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Deprecate all length-1 non-graphic variable names
authorKarl Williamson <khw@cpan.org>
Sun, 19 Oct 2014 16:35:04 +0000 (10:35 -0600)
committerKarl Williamson <khw@cpan.org>
Tue, 21 Oct 2014 15:26:51 +0000 (09:26 -0600)
commit4475d0d23c30e1ffbe123b0f5e3b800c0be35f4c
tree88804141159b5e2604bab47db3c456ce57f29ef2
parentde1631081e2407e5021257de0eb1de20ad1534ca
Deprecate all length-1 non-graphic variable names

v5.20 deprecated all otherwise-legal control characters as length-1
variable names.  This extends this to include all non-graphic
characters.  The practical effect of this occurs only when not under
"use utf8", and affects just the C1 controls (code points 0x80
through 0xFF), NO-BREAK SPACE, and SOFT HYPHEN.
pod/perldelta.pod
pod/perldiag.pod
t/uni/variables.t
toke.c