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-rw-r--r--doc/HISTORY4
-rw-r--r--editor/pamditherbw.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/doc/HISTORY b/doc/HISTORY
index e94457d4..68035b80 100644
--- a/doc/HISTORY
+++ b/doc/HISTORY
@@ -11,6 +11,10 @@ not yet  BJH  Release 10.90.00
               pamundice: Add error and warning messages for insane file name
               pattern.
 
+              pamditherbw: Fix bug: issue error message instead of just
+              ignoring one of the options when you specify -hilbert and
+              another halftone option.
+
               pamdice: Fix junk output when -width or -height not specified.
 
               pamdice: Fix crash when -width or -height is zero.
diff --git a/editor/pamditherbw.c b/editor/pamditherbw.c
index e3a121d4..6ec2511a 100644
--- a/editor/pamditherbw.c
+++ b/editor/pamditherbw.c
@@ -104,7 +104,7 @@ parseCommandLine(int argc, char ** argv,
     if (floydOpt + atkinsonOpt + thresholdOpt + hilbertOpt + dither8Opt +
         cluster3Opt + cluster4Opt + cluster8Opt == 0)
         cmdlineP->halftone = QT_FS;
-    else if (floydOpt + atkinsonOpt + thresholdOpt + dither8Opt +
+    else if (floydOpt + atkinsonOpt + thresholdOpt + hilbertOpt + dither8Opt +
         cluster3Opt + cluster4Opt + cluster8Opt > 1)
         pm_error("Cannot specify more than one halftoning type");
     else {