20 lines
608 B
Plaintext
20 lines
608 B
Plaintext
dnl @ ../doc/m4.texinfo:6085: Origin of test
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dnl @ expected status: 0
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dnl @ extra options:
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dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
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dnl @ Foundation, Inc.
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dnl @ This file is free software; the Free Software Foundation
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dnl @ gives unlimited permission to copy and/or distribute it
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dnl @ with or without modifications, as long as this notice
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dnl @ is preserved.
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incr(`4')
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dnl @result{}5
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decr(`7')
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dnl @result{}6
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incr()
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dnl @error{}m4:stdin:3: empty string treated as 0 in builtin `incr'
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dnl @result{}1
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decr()
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dnl @error{}m4:stdin:4: empty string treated as 0 in builtin `decr'
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dnl @result{}-1
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