From eb15768095331b2b06b36c2d8210d9935fcd4f3e Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 10 Oct 2020 20:31:54 +0200
Subject: [PATCH] enable double quotes also in special case of leading \

---
 src/frontend/parser/lexical.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/frontend/parser/lexical.c b/src/frontend/parser/lexical.c
index 370ce1447..77b84f569 100644
--- a/src/frontend/parser/lexical.c
+++ b/src/frontend/parser/lexical.c
@@ -269,8 +269,7 @@ nloop:
             break;
 
         /* if " or `, read until next " or ` is hit, will form a new word,
-           including the quotes.
-           In case of \, the next character gets the eights bit set. */
+           including the quotes. */
         case '"':
         case '`':
             d = c;
@@ -282,6 +281,9 @@ nloop:
                 if (c == '\\') {
                     push(&linebuf, c);
                     c = cp_readchar(&string, cp_inp_cur);
+                    /* found our end char already here, so leave while loop */
+                    if (c == d)
+                        break;
                     push(&buf, c);
                     push(&linebuf, c);
                 } else {