Re: m4 hangup in 6.0_BETA

[christos%astron.com@localhost (Christos Zoulas)]

In article <20120425180728.GF4519%trav.math.uni-bonn.de@localhost>,
Edgar Fuß  <ef%math.uni-bonn.de@localhost> wrote:
>In 6.0_BETA the following simple input causes M4 to lock up:
>
>ifdef(`FOO',
># FOO
>)
>
>It doesn't matter whether FOO is defined or not.
>If one replaces the comment by something else, it does work.
>
>Should I file a PR?
>
>Please CC me on replies since I'm not subscribed to tech-toolchain.
>Thanks.

Fixed on head.

christos