File _service:tar_scm:backport-fix-stray-blanking-of... of Package autogen

File _service:tar_scm:backport-fix-stray-blanking-of-config-file-char.patch of Package autogen

From 3b33eb2fc09a2d7221da6bc7159f374fdef8906a Mon Sep 17 00:00:00 2001
From: Bruce Korb <bkorb@gnu.org>
Date: Fri, 6 Sep 2019 08:28:00 -0700
Subject: [PATCH] fix stray blanking of config file char

* autoopts/configfile.c (trim_xml_text): remove unnecessary and
  occasionally destructive blanking of first character.
---
 autoopts/configfile.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/autoopts/configfile.c b/autoopts/configfile.c
index 783a9d8a..e8f557ad 100644
--- a/autoopts/configfile.c
+++ b/autoopts/configfile.c
@@ -802,10 +802,9 @@ trim_xml_text(char * intxt, char const * pznm, tOptionLoadMode mode)
         pz[1] = '/';
         memcpy(pz+2, pznm, nm_len);
         nm_len  += 2;
-        pz[nm_len++] = '>';
+        pz[nm_len++] = '>'; // nm_len is now length of end mark
         pz[nm_len]   = NUL;
 
-        *intxt = ' ';
         etext = strstr(intxt, pz);
         if (pz != z) AGFREE(pz);
     }
@@ -825,6 +824,7 @@ trim_xml_text(char * intxt, char const * pznm, tOptionLoadMode mode)
 }
 
 /**
+ * process hex and amphersand encoded characters.
  */
 static void
 cook_xml_text(char * pzData)
-- 
2.27.0