master dc37090d6e2: Improve X error messages

[Po Lu]

branch: master
commit dc37090d6e26f561b8f89e7afe8e2c3fa3543608
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Improve X error messages
    
    * src/xterm.c (x_connection_closed): Don't print handler blurb
    if nothing is there to be printed.
---
 src/xterm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/xterm.c b/src/xterm.c
index 872326392a6..c6fa29943bf 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -26048,9 +26048,10 @@ For details, see etc/PROBLEMS.\n",
          if (!ioerror && dpyinfo)
            {
              /* Dump the list of error handlers for debugging
-                purposes.  */
+                purposes if the list exists.  */
 
-             fprintf (stderr, "X error handlers currently installed:\n");
+             if (dpyinfo->failable_requests || x_error_message)
+               fprintf (stderr, "X error handlers currently installed:\n");
 
              for (failable = dpyinfo->failable_requests;
                   failable < dpyinfo->next_failable_request;