Merge branch 'perl-coverage'

* perl-coverage:
  Coverage for corner cases in derive_suffix.
  Coverage for user-provided _LINK variables.
  Coverage: warn about substitutions that need EXTRA_PRIMARY.
  Coverage: warn about configure substitution in EXTRA_PRIMARY.
  Coverage for syntax errors with conditionals in included fragments.
  Coverage: diagnose variables with forbidden dist_ prefix.
  Coverage for conditional `else' and `endif' arguments.

diff --cc ChangeLog
index de7d2215a673df9ce25f2402a2367ce7282154db,c7b24835617ff86a81da1ac06705dc351233c020..d48efd4110bfa67f726a3373b1f6bbf55030d59d
--- 1/ChangeLog
--- 2/ChangeLog
+++ b/ChangeLog
@@@ -1,16 -1,34 +1,47 @@@
+ 2009-11-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+ 
+       Coverage for corner cases in derive_suffix.
+       Ensure unrelatex SUFFIXES entries and unrelated inference rules
+       are ignored silently.
+       * tests/ext3.test: New test.
+       * tests/Makefile.am: Update.
+ 
+       Coverage for user-provided _LINK variables.
+       * tests/link_override.test: New test.
+       * tests/Makefile.am: Adjust.
+ 
+       Coverage: warn about substitutions that need EXTRA_PRIMARY.
+       * tests/extra9.test: New test.
+       * tests/Makefile.am: Adjust.
+ 
+       Coverage: warn about configure substitution in EXTRA_PRIMARY.
+       * tests/subst5.test: New test.
+       * tests/Makefile.am: Update.
+ 
+       Coverage for syntax errors with conditionals in included fragments.
+       * tests/condinc2.test: Amend test.
+ 
+       Coverage: diagnose variables with forbidden dist_ prefix.
+       * tests/candist.test: New test.
+       * tests/Makefile.am: Update.
+ 
+       Coverage for conditional `else' and `endif' arguments.
+       * tests/cond46.test: New test.
+       * tests/Makefile.am: Update.
+ 
 +2009-10-31  Jim Meyering  <meyering@redhat.com>
 +          Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 +
 +      Don't let an envvar setting of "$fail" cause build failure.
 +      Without this change, in a project using an automake-generated
 +      Makefile, "make fail=anything" would fail inappropriately,
 +      due to the `test -z "$$fail"' at the end of this emitted rule:
 +      * lib/am/subdirs.am ($(RECURSIVE_TARGETS)): Initialize "fail=" to keep
 +      an envvar setting of that variable from causing unwarranted failure.
 +      ($(RECURSIVE_CLEAN_TARGETS)): Likewise.
 +      * tests/subdir10.test: New test.
 +      * tests/Makefile.am: Update.
 +
  2009-10-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  
        Simplify Variable::_check_ambiguous_condition.

diff --cc tests/Makefile.am
Simple merge

diff --cc tests/Makefile.in
Simple merge