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author	Eric Blake <ebb9@byu.net>
	Wed, 13 Aug 2008 15:12:28 +0000 (09:12 -0600)
committer	Eric Blake <ebb9@byu.net>
	Fri, 15 Aug 2008 03:51:40 +0000 (21:51 -0600)
commit	903b58ef950b8bd5598c45909744309f58c03c45
tree	60148afa71ebfde1c23ff7bf96685173929b3090	tree \| snapshot
parent	9379b7024cd6d481e7a9487529e98230fc260a91	commit \| diff

Implement m4_transform_pair, to speed up AS_IF.

* lib/m4sugar/m4sugar.m4 (m4_transform, m4_transform_pair): New
macros, undocumented for now.
* lib/m4sugar/foreach.m4 (m4_transform, m4_transform_pair): Also
the m4 1.4.x counterparts.
* lib/m4sugar/m4sh.m4 (AS_IF, AS_CASE): Use it.
* tests/m4sh.at (AS@&t@_IF and AS@&t@_CASE): Test it.

Signed-off-by: Eric Blake <ebb9@byu.net>

ChangeLog		diff \| blob \| blame \| history
lib/m4sugar/foreach.m4		diff \| blob \| blame \| history
lib/m4sugar/m4sh.m4		diff \| blob \| blame \| history
lib/m4sugar/m4sugar.m4		diff \| blob \| blame \| history
tests/m4sh.at		diff \| blob \| blame \| history

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