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Certain variables are not longer allowed; document this.
authorAbigail <abigail@abigail.be>
Sun, 13 Nov 2016 13:33:46 +0000 (14:33 +0100)
committerAbigail <abigail@abigail.be>
Sun, 13 Nov 2016 13:42:03 +0000 (14:42 +0100)
commit5741d7e61dd47767bf5a0fde98f3fe94c6b2f2bb
tree9cf341223b64527a7713fa8f14fde611e86532bf
parentb2e9e79ec38a3d67f5a37100cae8ae6a0985da5e
Certain variables are not longer allowed; document this.

Use of single character variables, with the variable name a non
printable character in the range \x80-\xFF is no longer allowed.
This patch removes the documentation which says this feature is
deprecated, and now states it was allowed in the past.
pod/perldata.pod