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Diffstat (limited to 'Help/manual/cmake-language.7.rst')
| -rw-r--r-- | Help/manual/cmake-language.7.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Help/manual/cmake-language.7.rst b/Help/manual/cmake-language.7.rst index 591f73d916..71649ba3e7 100644 --- a/Help/manual/cmake-language.7.rst +++ b/Help/manual/cmake-language.7.rst @@ -391,8 +391,9 @@ inside out, e.g. ``${outer_${inner_variable}_variable}``. Literal variable references may consist of alphanumeric characters, the characters ``/_.+-``, and `Escape Sequences`_. Nested references -may be used to evaluate variables of any name. (See also policy -:policy:`CMP0053` documentation for historical considerations.) +may be used to evaluate variables of any name. See also policy +:policy:`CMP0053` documentation for historical considerations and reasons why +the ``$`` is also technically permitted but is discouraged. The `Variables`_ section documents the scope of variable names and how their values are set. |