summaryrefslogtreecommitdiffstats
path: root/Help/manual/cmake-language.7.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Help/manual/cmake-language.7.rst')
-rw-r--r--Help/manual/cmake-language.7.rst5
1 files changed, 3 insertions, 2 deletions
diff --git a/Help/manual/cmake-language.7.rst b/Help/manual/cmake-language.7.rst
index 591f73d..71649ba 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.