From fd33056965547714484831fc16692cb387d3067f Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kkosako0@gmail.com>
Date: Tue, 28 May 2024 22:56:00 +0900
Subject: fix #296: ONIG_SYNTAX_EMACS doesn't support 'shy groups'

---
 src/regsyntax.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/regsyntax.c b/src/regsyntax.c
index d9cbfb3..a5b2dba 100644
--- a/src/regsyntax.c
+++ b/src/regsyntax.c
@@ -90,7 +90,7 @@ OnigSyntaxType OnigSyntaxEmacs = {
     ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF |
     ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_DECIMAL_BACKREF |
     ONIG_SYN_OP_LINE_ANCHOR | ONIG_SYN_OP_ESC_CONTROL_CHARS )
-  , ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR
+  , ( ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR | ONIG_SYN_OP2_QMARK_GROUP_EFFECT )
   , ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC
   , ONIG_OPTION_NONE
   ,
-- 
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