Upgrade to pcre2 version 10.31.
Bug: N/A
Test: builds and boots, getprop -Z works
Change-Id: I2fbda9427edc9e5d966333a567b50539e17ed48d
diff --git a/dist2/doc/pcre2limits.3 b/dist2/doc/pcre2limits.3
index a5bab81..88944db 100644
--- a/dist2/doc/pcre2limits.3
+++ b/dist2/doc/pcre2limits.3
@@ -1,4 +1,4 @@
-.TH PCRE2LIMITS 3 "05 November 2015" "PCRE2 10.21"
+.TH PCRE2LIMITS 3 "30 March 2017" "PCRE2 10.30"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH "SIZE AND OTHER LIMITATIONS"
@@ -30,15 +30,6 @@
~(PCRE2_SIZE)0) is reserved as a special indicator for zero-terminated strings
and unset offsets.
.P
-Note that when using the traditional matching function, PCRE2 uses recursion to
-handle subpatterns and indefinite repetition. This means that the available
-stack space may limit the size of a subject string that can be processed by
-certain patterns. For a discussion of stack issues, see the
-.\" HREF
-\fBpcre2stack\fP
-.\"
-documentation.
-.P
All values in repeating quantifiers must be less than 65536.
.P
The maximum length of a lookbehind assertion is 65535 characters.
@@ -46,19 +37,20 @@
There is no limit to the number of parenthesized subpatterns, but there can be
no more than 65535 capturing subpatterns. There is, however, a limit to the
depth of nesting of parenthesized subpatterns of all kinds. This is imposed in
-order to limit the amount of system stack used at compile time. The limit can
-be specified when PCRE2 is built; the default is 250.
-.P
-There is a limit to the number of forward references to subsequent subpatterns
-of around 200,000. Repeated forward references with fixed upper limits, for
-example, (?2){0,100} when subpattern number 2 is to the right, are included in
-the count. There is no limit to the number of backward references.
+order to limit the amount of system stack used at compile time. The default
+limit can be specified when PCRE2 is built; the default default is 250. An
+application can change this limit by calling pcre2_set_parens_nest_limit() to
+set the limit in a compile context.
.P
The maximum length of name for a named subpattern is 32 code units, and the
maximum number of named subpatterns is 10000.
.P
The maximum length of a name in a (*MARK), (*PRUNE), (*SKIP), or (*THEN) verb
-is 255 for the 8-bit library and 65535 for the 16-bit and 32-bit libraries.
+is 255 code units for the 8-bit library and 65535 code units for the 16-bit and
+32-bit libraries.
+.P
+The maximum length of a string argument to a callout is the largest number a
+32-bit unsigned integer can hold.
.
.
.SH AUTHOR
@@ -75,6 +67,6 @@
.rs
.sp
.nf
-Last updated: 05 November 2015
-Copyright (c) 1997-2015 University of Cambridge.
+Last updated: 30 March 2017
+Copyright (c) 1997-2017 University of Cambridge.
.fi