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-rw-r--r--src/scroll.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/scroll.c b/src/scroll.c
index 603e04575f6..86d775545b0 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -264,7 +264,7 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix,
for (k = 0; k < window_size; ++k)
copy_from[k] = -1;
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
# define CHECK_BOUNDS \
do \
{ \
@@ -322,7 +322,7 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix,
copy_from[i] = j;
retained_p[j] = 1;
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
CHECK_BOUNDS;
#endif
}
@@ -374,7 +374,7 @@ do_scrolling (struct frame *frame, struct glyph_matrix *current_matrix,
mirrored_line_dance (current_matrix, unchanged_at_top, window_size,
copy_from, retained_p);
- /* Some sanity checks if GLYPH_DEBUG != 0. */
+ /* Some sanity checks if GLYPH_DEBUG is defined. */
CHECK_MATRIX (current_matrix);
if (terminal_window_p)