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Diffstat (limited to 'Help/policy/CMP0053.rst')
| -rw-r--r-- | Help/policy/CMP0053.rst | 4 |
1 files changed, 4 insertions, 0 deletions
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. |