Merge branch 'pan/update_pcre_8.33'

* pan/update_pcre_8.33:
  Workaround TR gnu/181328, GCC 4.2.1 20070831 on FreeBSD 9.1
  Clarify relation between erts_iolist_{size|to_buf}
  Fix backslash in titles of manpages
  Correct UTF-8 in stdlib's notes.xml
  Add more tests for corner error cases in erl_bif_re.c
  Add documentation of report_errors and match_limit(_recursion)
  Add match_limit and match_limit_recursion options
  Add return_errors option to re:run/3
  Add README for updating PCRE
  Add documentation of extensions to re module
  Add new options to Erlang re interface and mend dupnames
  Update PCRE doc part of re.xml to PCRE 8.33 state
  Integrate new PCRE test suites
  Integrate patch for PCRE bug id 1370
  Handle CRLF correctly in global regexp
  Add erts_prefix to pcre_library and update erl_bif_re
  Update to PCRE 8.33, w/o the erts_ prefix added

OTP-11204
OTP-11205
OTP-10285

1 files changed, 60 insertions, 0 deletions

diff --git a/erts/emulator/pcre/pcre-8.33_1370.diff b/erts/emulator/pcre/pcre-8.33_1370.diff
new file mode 100644
index 0000000000..d62398985d
--- /dev/null
+++ b/erts/emulator/pcre/pcre-8.33_1370.diff
@@ -0,0 +1,60 @@
+--- code/trunk/pcre_exec.c	2013/07/02 18:37:36	1346
++++ code/trunk/pcre_exec.c	2013/07/26 10:03:38	1350
+@@ -5637,7 +5637,7 @@
+           }
+         }
+ 
+-      /* Match extended Unicode sequences. We will get here only if the
++      /* Match extended Unicode grapheme clusters. We will get here only if the
+       support is in the binary; otherwise a compile-time error occurs. */
+ 
+       else if (ctype == OP_EXTUNI)
+@@ -5670,21 +5670,41 @@
+         /* eptr is now past the end of the maximum run */
+ 
+         if (possessive) continue;    /* No backtracking */
++         
+         for(;;)
+           {
+-          if (eptr == pp) goto TAIL_RECURSE;
++          int lgb, rgb; 
++          PCRE_PUCHAR fptr;
++            
++          if (eptr == pp) goto TAIL_RECURSE;   /* At start of char run */
+           RMATCH(eptr, ecode, offset_top, md, eptrb, RM45);
+           if (rrc != MATCH_NOMATCH) RRETURN(rrc);
++
++          /* Backtracking over an extended grapheme cluster involves inspecting
++          the previous two characters (if present) to see if a break is
++          permitted between them. */
++ 
+           eptr--;
+-          for (;;)                        /* Move back over one extended */
++          if (!utf) c = *eptr; else
++            {
++            BACKCHAR(eptr);
++            GETCHAR(c, eptr);
++            }
++          rgb = UCD_GRAPHBREAK(c);
++
++          for (;;)
+             {
+-            if (!utf) c = *eptr; else
++            if (eptr == pp) goto TAIL_RECURSE;   /* At start of char run */
++            fptr = eptr - 1;
++            if (!utf) c = *fptr; else
+               {
+-              BACKCHAR(eptr);
+-              GETCHAR(c, eptr);
++              BACKCHAR(fptr);
++              GETCHAR(c, fptr);
+               }
+-            if (UCD_CATEGORY(c) != ucp_M) break;
+-            eptr--;
++            lgb = UCD_GRAPHBREAK(c);        
++            if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
++            eptr = fptr;
++            rgb = lgb;
+             }
+           }
+         }