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authorBrad King <brad.king@kitware.com>2018-10-16 15:03:08 (GMT)
committerBrad King <brad.king@kitware.com>2018-10-16 15:03:08 (GMT)
commitab0edaabccc16bb568974051ee1e50b10993874a (patch)
tree03ab2cd390dc4c338db04878314337a77a6d6b96 /Help/policy/CMP0053.rst
parenteca87ee811a86a54a3e0bc27a29ea07ff9276ab7 (diff)
parent82a48226107e2ee0d073eaf521750c8354b67e41 (diff)
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Merge branch 'document-dollar-in-varnames' into release-3.13
Merge-request: !2479
Diffstat (limited to 'Help/policy/CMP0053.rst')
-rw-r--r--Help/policy/CMP0053.rst4
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diff --git a/Help/policy/CMP0053.rst b/Help/policy/CMP0053.rst
index 2620a60..032b3e5 100644
--- a/Help/policy/CMP0053.rst
+++ b/Help/policy/CMP0053.rst
@@ -16,6 +16,10 @@ cleaned up to simplify the behavior. Specifically:
* Literal ``${VAR}`` reference syntax may contain only
alphanumeric characters (``A-Z``, ``a-z``, ``0-9``) and
the characters ``_``, ``.``, ``/``, ``-``, and ``+``.
+ Note that ``$`` is technically allowed in the ``NEW`` behavior, but is
+ invalid for ``OLD`` behavior. This is due to an oversight during the
+ implementation of :policy:`CMP0053` and its use as a literal variable
+ reference is discouraged for this reason.
Variables with other characters in their name may still
be referenced indirectly, e.g.