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-rw-r--r--info/argparser.texinfo5
1 files changed, 5 insertions, 0 deletions
diff --git a/info/argparser.texinfo b/info/argparser.texinfo
index 78c5191..899978b 100644
--- a/info/argparser.texinfo
+++ b/info/argparser.texinfo
@@ -329,6 +329,11 @@ other values are considered to be false, except an empty string
(used if obmitted) which is used for automatic, that is,
true if the output is not piped.
+In the C version, @code{1} is considered to be true, @code{0}
+is considered to be false and all other values, including
+if the argument is obmitted (it is an optional argument),
+are used for automatic mode.
+
@node GNU Free Documentation License