Mauro Carvalho Chehab 9c80c74563 doc-rst: parse-headers: be more formal about the valid symbols
Be more formal about the valid symbols that are expected by
the parser, to match what c language expects.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-07 07:08:32 -03:00
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