#16420: document a way to escape metacharacters in glob/fnmatch.

Doc/library/fnmatch.rst

@@ -29,6 +29,9 @@ special characters used in shell-style wildcards are:
 | ``[!seq]`` | matches any character not in *seq* |
 +------------+------------------------------------+
 
+For a literal match, wrap the meta-characters in brackets.
+For example, ``'[?]'`` matches the character ``'?'``.
+
 .. index:: module: glob
 
 Note that the filename separator (``'/'`` on Unix) is *not* special to this
@@ -74,8 +77,6 @@ patterns.
 
    Return the shell-style *pattern* converted to a regular expression.
 
-   Be aware there is no way to quote meta-characters.
-
    Example:
 
       >>> import fnmatch, re

Doc/library/glob.rst

@@ -19,6 +19,9 @@ matched.  This is done by using the :func:`os.listdir` and
 subshell.  (For tilde and shell variable expansion, use
 :func:`os.path.expanduser` and :func:`os.path.expandvars`.)
 
+For a literal match, wrap the meta-characters in brackets.
+For example, ``'[?]'`` matches the character ``'?'``.
+
 
 .. function:: glob(pathname)