X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/13f27704e67ca16eefc14851c1cbf02be39509c6..d11389730686d2620d5490fa96eb210ea5837773:/regcomp.sym

diff --git a/regcomp.sym b/regcomp.sym
index 2178503..02b278c 100644
--- a/regcomp.sym
+++ b/regcomp.sym
@@ -86,13 +86,6 @@ CLUMP       CLUMP,      no 0 V    ; Match any extended grapheme cluster sequence
 #*
 BRANCH      BRANCH,     node 0 V  ; Match this alternative, or the next...
 
-#*Back pointer
-
-#* BACK          Normal "next" pointers all implicitly point forward;
-#*               BACK exists to make loop structures possible.
-#* not used
-BACK        BACK,       no 0 V    ; Match "", "next" ptr points backward.
-
 #*Literals
 # NOTE: the relative ordering of these types is important do not change it
 
@@ -113,7 +106,7 @@ TAIL        NOTHING,    no        ; Match empty string. Can jump here from outsi
 #*Loops
 
 #* STAR,PLUS    '?', and complex '*' and '+', are implemented as
-#*               circular BRANCH structures using BACK.  Simple cases
+#*               circular BRANCH structures.  Simple cases
 #*               (one character per match) are implemented with STAR
 #*               and PLUS for speed and to minimize recursive plunges.
 #*