Merge branch 'maint'

* maint:
  ywrap: remove an obsolete FIXME comment
  ywrap: style fixes (no semantic change intended)
  convenience: "make lint" as an alias for "make maintainer-check"
  docs: typofix in manual
  coverage: using multiple lexers in a single program

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

diff --cc doc/automake.texi
Simple merge

diff --cc lib/ylwrap
Simple merge

diff --cc maintainer/syntax-checks.mk
Simple merge

diff --cc t/list-of-tests.mk
Simple merge