perldelta entry for c8b94fe036

[perl5.git] / pod / perlreapi.pod

diff --git a/pod/perlreapi.pod b/pod/perlreapi.pod
index cfc41d7..c32171a 100644 (file)
--- a/pod/perlreapi.pod
+++ b/pod/perlreapi.pod
@@ -97,7 +97,7 @@ stringify everything using the snippet above, but that doesn't mean
 other engines have to.
 
 The C<flags> parameter is a bitfield which indicates which of the
-C<msixp> flags the regex was compiled with.  It also contains
+C<msixpn> flags the regex was compiled with.  It also contains
 additional info, such as if C<use locale> is in effect.
 
 The C<eogc> flags are stripped out before being passed to the comp
@@ -143,7 +143,7 @@ TODO: Document this
 
 =item Character set
 
-The character set semantics are determined by an enum that is contained
+The character set rules are determined by an enum that is contained
 in this field.  This is still experimental and subject to change, but
 the current interface returns the rules by use of the in-line function
 C<get_regex_charset(const U32 flags)>.  The only currently documented
@@ -418,7 +418,7 @@ doesn't have to modify the value.  This is exactly how tied variables
 behave in the same situation:
 
     package CaptureVar;
-    use base 'Tie::Scalar';
+    use parent 'Tie::Scalar';
 
     sub TIESCALAR { bless [] }
     sub FETCH { undef }
@@ -624,7 +624,6 @@ values.
          * matching*/
         U32 lastparen;            /* highest close paren matched ($+) */
         U32 lastcloseparen;       /* last close paren matched ($^N) */
-        regexp_paren_pair *swap;  /* Swap copy of *offs */
         regexp_paren_pair *offs;  /* Array of offsets for (@-) and
                                      (@+) */
 
@@ -711,9 +710,10 @@ used in the future for all engines for optimisations.
 
 =head2 C<nparens>, C<lastparen>, and C<lastcloseparen>
 
-These fields are used to keep track of how many paren groups could be matched
-in the pattern, which was the last open paren to be entered, and which was
-the last close paren to be entered.
+These fields are used to keep track of: how many paren capture groups
+there are in the pattern; which was the highest paren to be closed (see
+L<perlvar/$+>); and which was the most recent paren to be closed (see
+L<perlvar/$^N>).
 
 =head2 C<intflags>
 
@@ -727,10 +727,6 @@ data structure.  The Perl engine uses the
 C<regexp_internal> structure (see L<perlreguts/Base Structures>) but a custom
 engine should use something else.
 
-=head2 C<swap>
-
-Unused.  Left in for compatibility with Perl 5.10.0.
-
 =head2 C<offs>
 
 A C<regexp_paren_pair> structure which defines offsets into the string being
@@ -745,7 +741,7 @@ C<regexp_paren_pair> struct is defined as follows:
 If C<< ->offs[num].start >> or C<< ->offs[num].end >> is C<-1> then that
 capture group did not match.
 C<< ->offs[0].start/end >> represents C<$&> (or
-C<${^MATCH}> under C<//p>) and C<< ->offs[paren].end >> matches C<$$paren> where
+C<${^MATCH}> under C</p>) and C<< ->offs[paren].end >> matches C<$$paren> where
 C<$paren >= 1>.
 
 =head2 C<precomp> C<prelen>