Add more examples fixed by #300; update ChangeLog

ChangeLog

@@ -119,6 +119,10 @@ does the same, except for \u{...}, which is recognized only when
 PCRE2_EXTRA_ALT_BSUX is set. This an ECMAScript, non-Perl compatible,
 extension, so PCRE2 follows ECMAScript rather than Perl.
 
+31. Applied pull request #300 bu Carlo, which fixes #261. The bug was that
+pcre2_match() was not fully resetting all captures that had been set within a
+(possibly recursive) subroutine call such as (?3).
+
 
 Version 10.42 11-December-2022
 ------------------------------

testdata/testinput1

@@ -4374,6 +4374,14 @@
 
 /(?<all>(?:(?:a(?&all))|(b))(c?))/
     aabc
+
+/(a(b)|(c))(?1)/
+    abc
+    cab 
+
+/(?1)(a(b)|(c))/
+    abc
+    cab 
 
 /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
   (?(DEFINE)

testdata/testoutput1

@@ -6954,6 +6954,28 @@ No match
  1: aabc
  2: <unset>
  3: 
+
+/(a(b)|(c))(?1)/
+    abc
+ 0: abc
+ 1: ab
+ 2: b
+    cab 
+ 0: cab
+ 1: c
+ 2: <unset>
+ 3: c
+
+/(?1)(a(b)|(c))/
+    abc
+ 0: abc
+ 1: c
+ 2: <unset>
+ 3: c
+    cab 
+ 0: cab
+ 1: ab
+ 2: b
 
 /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
   (?(DEFINE)