parse-options: clarify the limitations of PARSE_OPT_NODASH
Update the comment documenting 'struct option' to clarify that
PARSE_OPT_NODASH can only be an argumentless short option; see
51a9949eda (parseopt: add PARSE_OPT_NODASH, 2009-05-07).
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/parse-options.h b/parse-options.h
index 591df64..8cbfc7e 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -109,7 +109,8 @@ typedef enum parse_opt_result parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
* is last on the command line. If the option is
* not last it will require an argument.
* Should not be used with PARSE_OPT_OPTARG.
- * PARSE_OPT_NODASH: this option doesn't start with a dash.
+ * PARSE_OPT_NODASH: this option doesn't start with a dash; can only be a
+ * short option and can't accept arguments.
* PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets
* (i.e. '<argh>') in the help message.
* Useful for options with multiple parameters.