From 785682065c25d6006c9196b7ccf0ba1c3bfd20e4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 9 Dec 2024 05:37:50 +0100
Subject: Merging upstream version 1.14~rc1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arg_parser.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'arg_parser.h')

diff --git a/arg_parser.h b/arg_parser.h
index 1eeec9a..ab77fc5 100644
--- a/arg_parser.h
+++ b/arg_parser.h
@@ -36,14 +36,18 @@
    The argument '--' terminates all options; any following arguments are
    treated as non-option arguments, even if they begin with a hyphen.
 
-   The syntax for optional option arguments is '-<short_option><argument>'
-   (without whitespace), or '--<long_option>=<argument>'.
+   The syntax of options with an optional argument is
+   '-<short_option><argument>' (without whitespace), or
+   '--<long_option>=<argument>'.
+
+   The syntax of options with an empty argument is '-<short_option> ""',
+   '--<long_option> ""', or '--<long_option>=""'.
 */
 
 class Arg_parser
   {
 public:
-  enum Has_arg { no, yes, maybe };
+  enum Has_arg { no, yes, maybe, yme };		// yme = yes but maybe empty
 
   struct Option
     {
-- 
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