--- code/trunk/pcre_study.c	2010/03/19 10:26:50	509
+++ code/trunk/pcre_study.c	2010/03/27 17:45:29	510
@@ -412,6 +412,15 @@
     if (utf8 && cc[-1] >= 0xc0) cc += _pcre_utf8_table4[cc[-1] & 0x3f];
 #endif
     break;
+    
+    /* Skip these, but we need to add in the name length. */
+    
+    case OP_MARK:
+    case OP_PRUNE_ARG:
+    case OP_SKIP_ARG:
+    case OP_THEN_ARG:
+    cc += _pcre_OP_lengths[op] + cc[1];
+    break; 
 
     /* For the record, these are the opcodes that are matched by "default":
     OP_ACCEPT, OP_CLOSE, OP_COMMIT, OP_FAIL, OP_PRUNE, OP_SET_SOM, OP_SKIP,