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-rw-r--r--doc/markup/misc.rst18
1 files changed, 13 insertions, 5 deletions
diff --git a/doc/markup/misc.rst b/doc/markup/misc.rst
index 5a391d02..fd31480a 100644
--- a/doc/markup/misc.rst
+++ b/doc/markup/misc.rst
@@ -52,16 +52,16 @@ Meta-information markup
By default, this markup isn't reflected in the output in any way (it helps
keep track of contributions), but you can set the configuration value
- :confval:`show_authors` to True to make them produce a paragraph in the
+ :confval:`show_authors` to ``True`` to make them produce a paragraph in the
output.
.. rst:directive:: .. codeauthor:: name <email>
- The :rst:dir:`codeauthor` directive, which can appear multiple times, names the
- authors of the described code, just like :rst:dir:`sectionauthor` names the
- author(s) of a piece of documentation. It too only produces output if the
- :confval:`show_authors` configuration value is True.
+ The :rst:dir:`codeauthor` directive, which can appear multiple times, names
+ the authors of the described code, just like :rst:dir:`sectionauthor` names
+ the author(s) of a piece of documentation. It too only produces output if
+ the :confval:`show_authors` configuration value is ``True``.
Index-generating markup
@@ -189,6 +189,14 @@ Including content based on tags
These standard tags are set *after* the configuration file is read, so they
are not available there.
+ All tags must follow the standard Python identifier syntax as set out in
+ the `Identifiers and keywords
+ <https://docs.python.org/reference/lexical_analysis.html#identifiers>`_
+ documentation. That is, a tag expression may only consist of tags that
+ conform to the syntax of Python variables. In ASCII, this consists of the
+ uppercase and lowercase letters ``A`` through ``Z``, the underscore ``_``
+ and, except for the first character, the digits ``0`` through ``9``.
+
.. versionadded:: 0.6
.. versionchanged:: 1.2
Added the name of the builder and the prefixes.