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diff --git a/libs/Pcre16/docs/doc/html/pcrelimits.html b/libs/Pcre16/docs/doc/html/pcrelimits.html deleted file mode 100644 index ee5ebf033d..0000000000 --- a/libs/Pcre16/docs/doc/html/pcrelimits.html +++ /dev/null @@ -1,90 +0,0 @@ -<html> -<head> -<title>pcrelimits specification</title> -</head> -<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB"> -<h1>pcrelimits man page</h1> -<p> -Return to the <a href="index.html">PCRE index page</a>. -</p> -<p> -This page is part of the PCRE HTML documentation. It was generated automatically -from the original man page. If there is any nonsense in it, please consult the -man page, in case the conversion went wrong. -<br> -<br><b> -SIZE AND OTHER LIMITATIONS -</b><br> -<P> -There are some size limitations in PCRE but it is hoped that they will never in -practice be relevant. -</P> -<P> -The maximum length of a compiled pattern is approximately 64K data units (bytes -for the 8-bit library, 16-bit units for the 16-bit library, and 32-bit units for -the 32-bit library) if PCRE is compiled with the default internal linkage size, -which is 2 bytes for the 8-bit and 16-bit libraries, and 4 bytes for the 32-bit -library. If you want to process regular expressions that are truly enormous, -you can compile PCRE with an internal linkage size of 3 or 4 (when building the -16-bit or 32-bit library, 3 is rounded up to 4). See the <b>README</b> file in -the source distribution and the -<a href="pcrebuild.html"><b>pcrebuild</b></a> -documentation for details. In these cases the limit is substantially larger. -However, the speed of execution is slower. -</P> -<P> -All values in repeating quantifiers must be less than 65536. -</P> -<P> -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 PCRE is built; the default is 250. -</P> -<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. -</P> -<P> -The maximum length of name for a named subpattern is 32 characters, and the -maximum number of named subpatterns is 10000. -</P> -<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. -</P> -<P> -The maximum length of a subject string is the largest positive number that an -integer variable can hold. However, when using the traditional matching -function, PCRE 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 -<a href="pcrestack.html"><b>pcrestack</b></a> -documentation. -</P> -<br><b> -AUTHOR -</b><br> -<P> -Philip Hazel -<br> -University Computing Service -<br> -Cambridge CB2 3QH, England. -<br> -</P> -<br><b> -REVISION -</b><br> -<P> -Last updated: 05 November 2013 -<br> -Copyright © 1997-2013 University of Cambridge. -<br> -<p> -Return to the <a href="index.html">PCRE index page</a>. -</p> |