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-rw-r--r--manual/time.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/manual/time.texi b/manual/time.texi
index 27060b5358..a128243d4d 100644
--- a/manual/time.texi
+++ b/manual/time.texi
@@ -1480,6 +1480,11 @@ format; e.g. a date passed as @code{"02:1999:9"} is acceptable, even
though it is ambiguous without context. As long as the format string
@var{fmt} matches the input string the function will succeed.
+The user has to make sure, though, that the input can be parsed in a
+unambiguous way. The string @code{"1999112"} can be parsed using the
+format @code{"%Y%m%d"} as 1999-1-12, 1999-11-2, or even 19991-1-2. It
+is necessary to add appropriate separators to reliably get results.
+
The format string consists of the same components as the format string
of the @code{strftime} function. The only difference is that the flags
@code{_}, @code{-}, @code{0}, and @code{^} are not allowed.