Merge from origin/emacs-24

[gnu-emacs] / src / dispextern.h

diff --git a/src/dispextern.h b/src/dispextern.h
index 8fd3ef935f6862fc4f6506bc01b1c6eaa9240c6f..051629641edb692f9c827880f1aa688e340a7dc8 100644 (file)
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2235,7 +2235,10 @@ struct it
   ptrdiff_t base_level_stop;
 
   /* Maximum string or buffer position + 1.  ZV when iterating over
-     current_buffer.  */
+     current_buffer.  When iterating over a string in display_string,
+     this can be smaller or greater than the number of string
+     characters, depending on the values of PRECISION and FIELD_WIDTH
+     with which display_string was called.  */
   ptrdiff_t end_charpos;
 
   /* C string to iterate over.  Non-null means get characters from