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-rw-r--r--puzzles.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/puzzles.h b/puzzles.h
index 11acb1f..2a9f517 100644
--- a/puzzles.h
+++ b/puzzles.h
@@ -208,7 +208,7 @@ void print_get_colour(drawing *dr, int colour, int printing_in_colour,
int print_mono_colour(drawing *dr, int grey); /* 0==black, 1==white */
int print_grey_colour(drawing *dr, float grey);
int print_hatched_colour(drawing *dr, int hatch);
-int print_rgb_mono_colour(drawing *dr, float r, float g, float b, float mono);
+int print_rgb_mono_colour(drawing *dr, float r, float g, float b, int mono);
int print_rgb_grey_colour(drawing *dr, float r, float g, float b, float grey);
int print_rgb_hatched_colour(drawing *dr, float r, float g, float b,
int hatch);