Index: class.doc
==================================================================
--- class.doc
+++ class.doc
@@ -2868,20 +2868,22 @@
         followed by any more consecutive line breaks without anything else
         in between, skips those ones too.
   \d   Follow by some text and then : and \ or just \ to skip to and find
         the data in the string that has the same text. If it contains a
         question mark then any single character is matched. Between : and \
-        you can have usual other matching commands such as [ and ].
+        you can have usual other matching commands such as [ and ]. It can
+        also be ; instead of : optionally.
   +    Follow by one more character, skip past any number of them.
   -    Skip past any number of digits.
   _    Skip past any number of spaces and line breaks.
   <    Rewind back to the beginning.
   >    Skip to the end.
   #    Successful match; the result is a number within the slice, converted
         from a string (parsed as decimal) to a number.
   $    Successful match; the result is the matched slice.
   %    Successful match; the result is the length of the matched slice.
+  Z    Trace (if both -t and -v switches are used).
 
 A "delimited string" in this block is delimited by any printable
 character on both sides (except a character with code less than 32).
 
 (The above list of pattern codes maybe it isn't explained very well;

Index: function.c
==================================================================
--- function.c
+++ function.c
@@ -1296,13 +1296,14 @@
       case 30: // "\d"
         re:
         pp=pt=ll_find(pt,30);
         if(!pt) goto notfound;
         for(i=0;ps[i];i++) {
-          if(ps[i]==':' || ps[i]=='\\') break;
-          if(ps[i]!=pt[i] && ps[i]!='?') {
-            pt+=i;
+          if(ps[i]==':' || ps[i]==';' || ps[i]=='\\') break;
+          if(ps[i]!=pt[i+1] && ps[i]!='?') {
+            if(!pt[i]) goto notfound;
+            pt+=i?:1;
             goto re;
           }
         }
         ps+=i+1;
         pt+=i+2;
@@ -1352,10 +1353,13 @@
       case '%':
         if(!so || !eo || so>eo) break;
         stack[sp++]=NVALUE(eo-so);
         stack[sp++]=NVALUE(1);
         return sp;
+      case 'Z':
+        if(main_options['t'] && main_options['v']) printf("'' (str=%p title=%p sp=%d ps=%p pt=%p so=%p eo=%p pp=%p q=%p)\n",str,title,sp,ps,pt,so,eo,pp,q);
+        break;
       default: bad:
         if(main_options['v']) fprintf(stderr,"Invalid character (0x%02X) in string in LevelTable definition\n",ps[-1]);
         return 64;
     }
   }