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Diffstat (limited to 'doc/html/pcre2.html')
| -rw-r--r-- | doc/html/pcre2.html | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/html/pcre2.html b/doc/html/pcre2.html index dc2d058..1e267d0 100644 --- a/doc/html/pcre2.html +++ b/doc/html/pcre2.html @@ -38,8 +38,14 @@ Oniguruma syntax items, and there are options for requesting some minor changes that give better ECMAScript (aka JavaScript) compatibility. </P> <P> -The source code for PCRE2 can be compiled to support 8-bit, 16-bit, or 32-bit -code units, which means that up to three separate libraries may be installed. +The source code for PCRE2 can be compiled to support strings of 8-bit, 16-bit, +or 32-bit code units, which means that up to three separate libraries may be +installed, one for each code unit size. The size of code unit is not related to +the bit size of the underlying hardware. In a 64-bit environment that also +supports 32-bit applications, versions of PCRE2 that are compiled in both +64-bit and 32-bit modes may be needed. +</P> +<P> The original work to extend PCRE to 16-bit and 32-bit code units was done by Zoltan Herczeg and Christian Persch, respectively. In all three cases, strings can be interpreted either as one character per code unit, or as UTF-encoded @@ -198,9 +204,9 @@ use my two initials, followed by the two digits 10, at the domain cam.ac.uk. </P> <br><a name="SEC5" href="#TOC1">REVISION</a><br> <P> -Last updated: 17 September 2018 +Last updated: 28 April 2021 <br> -Copyright © 1997-2018 University of Cambridge. +Copyright © 1997-2021 University of Cambridge. <br> <p> Return to the <a href="index.html">PCRE2 index page</a>. |