src/dispextern.h: Commentary fix.

2d83441c · Eli Zaretskii · 6b682d2b · 2d83441c
Commit 2d83441c authored Sep 15, 2014 by Eli Zaretskii
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src/dispextern.h src/dispextern.h +3 -1

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--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2530,7 +2530,9 @@ struct it

  /* First and last visible x-position in the display area.  If window
     is hscrolled by n columns, first_visible_x == n * FRAME_COLUMN_WIDTH
-     (f), and last_visible_x == pixel width of W + first_visible_x.  */
+     (f), and last_visible_x == pixel width of W + first_visible_x.
+     When truncation or continuation glyphs are produced due to lack of
+     fringes, last_visible_x excludes the space required for these glyphs.  */
  int first_visible_x, last_visible_x;

  /* Last visible y-position + 1 in the display area without a mode