*** _sre.c.bak	Sun Jun 22 22:12:18 2003
--- _sre.c	Sun Jun 22 21:42:55 2003
***************
*** 935,945 ****
              TRACE(("|%p|%p|GROUPREF %d\n", pattern, ptr, pattern[0]));
              i = pattern[0];
              {
                  int groupref = i+i;
                  if (groupref >= state->lastmark)
                      return 0;
!                 SRE_CHAR* p = (SRE_CHAR*) state->mark[groupref];
!                 SRE_CHAR* e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p)
                      return 0;
                  while (p < e) {
--- 935,947 ----
              TRACE(("|%p|%p|GROUPREF %d\n", pattern, ptr, pattern[0]));
              i = pattern[0];
              {
+                 SRE_CHAR* p;
+                 SRE_CHAR* e;
                  int groupref = i+i;
                  if (groupref >= state->lastmark)
                      return 0;
!                 p = (SRE_CHAR*) state->mark[groupref];
!                 e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p)
                      return 0;
                  while (p < e) {
***************
*** 956,966 ****
              TRACE(("|%p|%p|GROUPREF_IGNORE %d\n", pattern, ptr, pattern[0]));
              i = pattern[0];
              {
                  int groupref = i+i;
                  if (groupref >= state->lastmark)
                      return 0;
!                 SRE_CHAR* p = (SRE_CHAR*) state->mark[groupref];
!                 SRE_CHAR* e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p)
                      return 0;
                  while (p < e) {
--- 958,970 ----
              TRACE(("|%p|%p|GROUPREF_IGNORE %d\n", pattern, ptr, pattern[0]));
              i = pattern[0];
              {
+                 SRE_CHAR* p;
+                 SRE_CHAR* e;
                  int groupref = i+i;
                  if (groupref >= state->lastmark)
                      return 0;
!                 p = (SRE_CHAR*) state->mark[groupref];
!                 e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p)
                      return 0;
                  while (p < e) {
***************
*** 978,990 ****
              /* <GROUPREF_EXISTS> <group> <skip> codeyes <JUMP> codeno ... */
              i = pattern[0];
              {
                  int groupref = i+i;
                  if (groupref >= state->lastmark) {
                      pattern += pattern[1];
                      break;
                  }
!                 SRE_CHAR* p = (SRE_CHAR*) state->mark[groupref];
!                 SRE_CHAR* e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p) {
                      pattern += pattern[1];
                      break;
--- 982,996 ----
              /* <GROUPREF_EXISTS> <group> <skip> codeyes <JUMP> codeno ... */
              i = pattern[0];
              {
+                 SRE_CHAR* p;
+                 SRE_CHAR* e;
                  int groupref = i+i;
                  if (groupref >= state->lastmark) {
                      pattern += pattern[1];
                      break;
                  }
!                 p = (SRE_CHAR*) state->mark[groupref];
!                 e = (SRE_CHAR*) state->mark[groupref+1];
                  if (!p || !e || e < p) {
                      pattern += pattern[1];
                      break;