add PIRegularExpression

3rd/pcre2/doc/pcre2_set_recursion_limit.3

@@ -0,0 +1,28 @@
+.TH PCRE2_SET_RECURSION_LIMIT 3 "19 July 2017" "PCRE2 10.45"
+.SH NAME
+PCRE2 - Perl-compatible regular expressions (revised API)
+.SH SYNOPSIS
+.rs
+.sp
+.B #include <pcre2.h>
+.PP
+.nf
+.B int pcre2_set_recursion_limit(pcre2_match_context *\fImcontext\fP,
+.B "  uint32_t \fIvalue\fP);"
+.fi
+.
+.SH DESCRIPTION
+.rs
+.sp
+This function is obsolete and should not be used in new code. Use
+\fBpcre2_set_depth_limit()\fP instead.
+.P
+There is a complete description of the PCRE2 native API in the
+.\" HREF
+\fBpcre2api\fP
+.\"
+page and a description of the POSIX API in the
+.\" HREF
+\fBpcre2posix\fP
+.\"
+page.