https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240571
Bug ID: 240571
Summary: m4 divert( X-with-spaces ) -> argument is invalid
Product: Base System
Version: 12.0-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: warl...@phouka.net
For 12/stable (now 12.1-PRERELEASE) between r352217 and r352298 (and I presume
the MFC of r352065-r352070 in r352277), m4 lost it's ability to divert( -1 ) to
ignore an input stream. Note the spaces around the number.
# grep '^FreeBSD 12' /.zfs/snapshot/2019-09-13-10:54:12/etc/motd /etc/motd
/.zfs/snapshot/2019-09-13-10:54:12/etc/motd:FreeBSD 12.1-PRERELEASE (GENERIC)
#106 r352217+0e6a9a9426c7(stable/12): Wed Sep 11 10:30:02 PDT 2019
/etc/motd:FreeBSD 12.1-PRERELEASE (GENERIC) #108
r352298+2356cf5555c7(stable/12): Fri Sep 13 10:49:27 PDT 2019
# cat /tmp/m4.txt
begin
divert(-1)dnl
middle
divert( -1 )dnl
foo
divert(0)dnl
end
# m4 < /tmp/m4.txt
begin
m4: stdin at line 4: divert: argument is invalid: -1 .
# /.zfs/snapshot/2019-09-13-10:54:12/usr/bin/m4 < /tmp/m4.txt
begin
end
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