Fix a typo which caused the index to be generated incorrectly.

diff --git a/doc/genps.pl b/doc/genps.pl
index 14db4d7..7232d51 100755 (executable)
--- a/doc/genps.pl
+++ b/doc/genps.pl
@@ -373,7 +373,7 @@ sub ps_flow_lines($$$@) {
            }
        }
     }
-    push(@l,@wd);
+    push(@l,@xd);
     if ( scalar(@l) ) {
        push(@ls, [[$type,0,undef,$fontset,0,0],[@l]]); # Final line
     }