(scan_sexps_forward): Undo last patch.

Use a more obvious fix: check eob before updating the syntax table.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/syntax.c b/src/syntax.c
index eb0b96b9b01..5114fc06af7 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -2504,10 +2504,11 @@ scan_sexps_forward (stateptr, from, from_byte, end, targetdepth,
 #define INC_FROM                                \
 do { prev_from = from;                          \
      prev_from_byte = from_byte;                \
-     UPDATE_SYNTAX_TABLE_FORWARD (prev_from);   \
      prev_from_syntax                           \
        = SYNTAX_WITH_FLAGS (FETCH_CHAR (prev_from_byte)); \
      INC_BOTH (from, from_byte);                \
+     if (from < end)                            \
+       UPDATE_SYNTAX_TABLE_FORWARD (from);      \
   } while (0)
 
   immediate_quit = 1;
@@ -2580,6 +2581,7 @@ do { prev_from = from;				\
 
   SETUP_SYNTAX_TABLE (prev_from, 1);
   prev_from_syntax = SYNTAX_WITH_FLAGS (FETCH_CHAR (prev_from_byte));
+  UPDATE_SYNTAX_TABLE_FORWARD (from);
 
   /* Enter the loop at a place appropriate for initial state.  */
 
@@ -2620,7 +2622,6 @@ do { prev_from = from;				\
      else if (from < end)
         if (SYNTAX_FLAGS_COMSTART_FIRST (prev_from_syntax))
           if (c1 = FETCH_CHAR (from_byte),
-              UPDATE_SYNTAX_TABLE_FORWARD (from_byte),
               SYNTAX_COMSTART_SECOND (c1))
             /* Duplicate code to avoid a complex if-expression
                which causes trouble for the SGI compiler.  */