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Diffstat (limited to 'checks/127.changeword')
| -rw-r--r-- | checks/127.changeword | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/checks/127.changeword b/checks/127.changeword new file mode 100644 index 0000000..79e1102 --- /dev/null +++ b/checks/127.changeword @@ -0,0 +1,41 @@ +dnl @ ../doc/m4.texi:4700: Origin of test +dnl @ expected status: 0 +dnl @ extra options: +dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software +dnl @ Foundation, Inc. +dnl @ This file is free software; the Free Software Foundation +dnl @ gives unlimited permission to copy and/or distribute it +dnl @ with or without modifications, as long as this notice +dnl @ is preserved. +ifdef(`changeword', `', `errprint(` skipping: no changeword support +')m4exit(`77')')dnl +define(`foo +', `bar +') +dnl @result{} +dnl This example wants to recognize changeword, dnl, and `foo\n'. +dnl First, we check that our regexp will match. +regexp(`changeword', `[cd][a-z]*\|foo[ +]') +dnl @result{}0 +regexp(`foo +', `[cd][a-z]*\|foo[ +]') +dnl @result{}0 +regexp(`f', `[cd][a-z]*\|foo[ +]') +dnl @result{}-1 +foo +dnl @result{}foo +changeword(`[cd][a-z]*\|foo[ +]') +dnl @result{} +dnl Even though `foo\n' matches, we forgot to allow `f'. +foo +dnl @result{}foo +changeword(`[cd][a-z]*\|fo*[ +]?') +dnl @result{} +dnl Now we can call `foo\n'. +foo +dnl @result{}bar |