Merge branch 'master' into ng/master

* master:
  fix typos in mk-dirp.m4
  tags: automake bug bug#12372 is fixed
  coverage: better exposure for automake bug#12372 (tags-related)
  coverage: expose automake bug#12372 (tags-related)
  sync: update files from upstream with "make fetch"
  news: cygnus will be removed in automake 1.13
  news: some changes for 1.13 has been "de-planned"
  news: report that the have seen fixlets after 1.12.3
  warns: enable category 'obsolete' by default

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --cc doc/automake-ng.texi
Simple merge

diff --cc lib/Automake/ChannelDefs.pm
index bc4c6a87e702d7afd3f4561310b96281356a5c18,a465cbc6d34f02a209e078fbfb78f63cefd03d6c..34bda8b2f0013e08ddda763597e08c5da0547098
--- 1/lib/Automake/ChannelDefs.pm
--- 2/lib/Automake/ChannelDefs.pm
+++ b/lib/Automake/ChannelDefs.pm
@@@ -148,9 -156,10 +148,9 @@@ register_channel 'automake', type => 'f
  
  register_channel 'extra-portability', type => 'warning', silent => 1;
  register_channel 'gnu', type => 'warning';
- register_channel 'obsolete', type => 'warning', silent => 1;
+ register_channel 'obsolete', type => 'warning';
  register_channel 'override', type => 'warning', silent => 1;
  register_channel 'portability', type => 'warning', silent => 1;
 -register_channel 'portability-recursive', type => 'warning', silent => 1;
  register_channel 'syntax', type => 'warning';
  register_channel 'unsupported', type => 'warning';