Some M4 cleanup in the testsuite.

[bison.git] / ChangeLog

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+2009-07-22  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Some M4 cleanup in the testsuite.
+       Suggested by Eric Blake at
+       <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
+       * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
+       complicate the code by distinguishing between a missing value
+       and an empty string value for an optional argument.  This fix is
+       allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
+       * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
+       (AT_TEST_TABLES_AND_PARSE): ... this now that the special
+       arguments are not needed because of the following changes.
+       Fix stale comments.
+       Bison developers should use GNU M4 and should not use
+       POSIXLY_CORRECT when building the test suite, so do not
+       complicate the code by avoiding $10 and above.
+       Do not quote an empty string value for an optional argument, and
+       do not distinguish between a missing value and an empty string
+       value.
+
 2009-07-21  Joel E. Denny  <jdenny@ces.clemson.edu>
 
        * m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.