Avoid quadratic code when walking definition stack.
commit8c26ddfb1acdeb708111c2f410027af0dc25978e
authorEric Blake <ebb9@byu.net>
Thu, 12 Feb 2009 22:29:53 +0000 (12 15:29 -0700)
committerEric Blake <ebb9@byu.net>
Thu, 12 Feb 2009 22:41:14 +0000 (12 15:41 -0700)
tree044af260fa5de590ac33d0a760ba51a1de3bbef1
parent3e12364a5a32e5947b0c31a2ee6dc5351b7af5e6
Avoid quadratic code when walking definition stack.

* examples/stack_sep.m4: Use linear, not quadratic
implementation.
* doc/m4.texinfo (Improved copy): Fix documentation, based on
recent autoconf bug fix.
* tests/others.at (recursion): Enhance test.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 72506c2eb1d10571bcd2351aa1f3d2427be3c669)
ChangeLog
doc/m4.texinfo
examples/stack_sep.m4
tests/others.at