tests/m4sh.at: prevent an undesirable expansion of __oline__.

The descriptive comment for AT_DATA_LINENO mentions __oline__, and
this is expanded when generating the testsuite, which is confusing
to anyone reading the generated testuite.  Defang it with @&t@.

* tests/m4sh.at (AT_DATA_LINENO): Prevent expansion of __oline__
  in the descriptive comment.

diff --git a/tests/m4sh.at b/tests/m4sh.at
index 30e3fa58a1fd085eea362e90911b933cb0214729..633becdd1a628f57e161e1b879284464dcff95d1 100644 (file)
--- a/tests/m4sh.at
+++ b/tests/m4sh.at
@@ -229,7 +229,7 @@ AT_CHECK([test ${ZSH_VERSION+y} && exit 77], ignore)
 # Use COUNTER, COUNTER-RE = [__LINENO__], [LINENO]
 #  or                     = [__OLINE__],  [_oline__]
 #
-# instead of the obvious $LINENO and __oline__, because they would
+# instead of the obvious $LINENO and __oline@&t@__, because they would
 # be replaced in the test suite itself, even before creating these
 # scripts.  For the same reason, grep for LINENO and _oline__ (sic).
 #