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-rw-r--r--docs/writing_extensions.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/docs/writing_extensions.txt b/docs/writing_extensions.txt
index 1300d55..2ecd4c9 100644
--- a/docs/writing_extensions.txt
+++ b/docs/writing_extensions.txt
@@ -80,9 +80,10 @@ Note that any regular expression returned by ``getCompiledRegExp`` must capture
the whole block. Therefore, they should all start with ``r'^(.*?)'`` and end
with ``r'(.*?)!'``. When using the default ``getCompiledRegExp()`` method
provided in the ``Pattern`` you can pass in a regular expression without that
-and ``getCompiledRegExp`` will wrap your expression for you. This means that
-the first group of your match will be ``m.group(2)`` as ``m.group(1)`` will
-match everything before the pattern.
+and ``getCompiledRegExp`` will wrap your expression for you and set the
+`re.DOTALL` and `re.UNICODE` flags. This means that the first group of your
+match will be ``m.group(2)`` as ``m.group(1)`` will match everything before the
+pattern.
For an example, consider this simplified emphasis pattern: