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News about PCRE releases |
News about PCRE releases |
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Release 7.1 20-Mar-07 |
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There are no new features in this release. A few bugs are fixed (see ChangeLog |
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for details), but the major change is a complete re-implementation of the build |
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system. This now has full Autotools support and so is now "standard" in some |
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sense. It should help with compiling PCRE in a wide variety of environments. |
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NOTE: when building shared libraries for Windows, three dlls are now built, |
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called libpcre, libpcreposix, and libpcrecpp. Previously, everything was |
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included in a single dll. |
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Another important change is that the dftables auxiliary program is no longer |
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compiled and run at "make" time by default. Instead, a default set of character |
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tables (assuming ASCII coding) is used. If you want to use dftables to generate |
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the character tables as previously, add --enable-rebuild-chartables to the |
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"configure" command. You must do this if you are compiling PCRE to run on a |
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system that uses EBCDIC code. |
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There is a discussion about character tables in the README file. The default is |
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not to use dftables so that that there is no problem when cross-compiling. |
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Release 7.0 19-Dec-06 |
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This release has a new major number because there have been some internal |
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upheavals to facilitate the addition of new optimizations and other facilities, |
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and to make subsequent maintenance and extension easier. Compilation is likely |
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to be a bit slower, but there should be no major effect on runtime performance. |
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Previously compiled patterns are NOT upwards compatible with this release. If |
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you have saved compiled patterns from a previous release, you will have to |
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re-compile them. Important changes that are visible to users are: |
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1. The Unicode property tables have been updated to Unicode 5.0.0, which adds |
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some more scripts. |
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2. The option PCRE_NEWLINE_ANY causes PCRE to recognize any Unicode newline |
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sequence as a newline. |
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3. The \R escape matches a single Unicode newline sequence as a single unit. |
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4. New features that will appear in Perl 5.10 are now in PCRE. These include |
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alternative Perl syntax for named parentheses, and Perl syntax for |
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recursion. |
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5. The C++ wrapper interface has been extended by the addition of a |
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QuoteMeta function and the ability to allow copy construction and |
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assignment. |
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For a complete list of changes, see the ChangeLog file. |
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Release 6.7 04-Jul-06 |
Release 6.7 04-Jul-06 |
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