(printlogline): Don't generate lines containing only white space.

diff --git a/lib-src/rcs2log b/lib-src/rcs2log
index 1ea628afb0326eddd227fcc0d0678f53dd416c8f..3938b89f1eb72e1f5acb560b2b9c6bc378f64d21 100755 (executable)
--- a/lib-src/rcs2log
+++ b/lib-src/rcs2log
@@ -12,7 +12,7 @@
 
 # Author: Paul Eggert <eggert@twinsun.com>
 
-# $Id: rcs2log,v 1.13.1.1 1993/09/24 00:54:33 eggert Exp $
+# $Id: rcs2log,v 1.15 1993/09/24 01:03:32 eggert Exp eggert $
 
 # Copyright 1992, 1993 Free Software Foundation, Inc.
 
@@ -259,7 +259,12 @@ printlogline='{
 
        # Print each line of the log, transliterating \r to \n.
        while ((i = index(Log, CR)) != 0) {
-               printf "%s%s\n", sep, substr(Log, 1, i-1)
+               logline = substr(Log, 1, i-1)
+               if (logline ~ /[^        ]/) {
+                       printf "%s%s\n", sep, logline
+               } else {
+                       print ""
+               }
                sep = indent_string
                Log = substr(Log, i+1)
        }