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-rw-r--r--src/ChangeLog4
-rw-r--r--src/frame.h2
2 files changed, 5 insertions, 1 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 3e5d5c3d587..b8b04b129ea 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-08 YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
+
+ * frame.h (FRAME_LINE_TO_PIXEL_Y): Add missing parenthesis.
+
2010-04-07 Jan Djärv <jan.h.d@swipnet.se>
* frame.h (FRAME_TEXT_LINES_TO_PIXEL_HEIGHT): Don't use
diff --git a/src/frame.h b/src/frame.h
index 36b0b6b069c..887d47eff21 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -980,7 +980,7 @@ extern Lisp_Object selected_frame;
at ROW/COL. */
#define FRAME_LINE_TO_PIXEL_Y(f, row) \
- ((row < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
+ (((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
+ (row) * FRAME_LINE_HEIGHT (f))
#define FRAME_COL_TO_PIXEL_X(f, col) \