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Diffstat (limited to 'doc/pcre2test.1')
| -rw-r--r-- | doc/pcre2test.1 | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/doc/pcre2test.1 b/doc/pcre2test.1 index ec17763..19ab8be 100644 --- a/doc/pcre2test.1 +++ b/doc/pcre2test.1 @@ -1,4 +1,4 @@ -.TH PCRE2TEST 1 "20 March 2020" "PCRE 10.35" +.TH PCRE2TEST 1 "14 September 2020" "PCRE 10.36" .SH NAME pcre2test - a program for testing Perl-compatible regular expressions. .SH SYNOPSIS @@ -273,7 +273,7 @@ test data, command lines that begin with # may appear. This file format, with some restrictions, can also be processed by the \fBperltest.sh\fP script that is distributed with PCRE2 as a means of checking that the behaviour of PCRE2 and Perl is the same. For a specification of \fBperltest.sh\fP, see the -comments near its beginning. +comments near its beginning. See also the #perltest command below. .P When the input is a terminal, \fBpcre2test\fP prompts for each line of input, using "re>" to prompt for regular expression patterns, and "data>" to prompt @@ -369,14 +369,19 @@ patterns. Modifiers on a pattern can change these settings. .sp #perltest .sp -The appearance of this line causes all subsequent modifier settings to be -checked for compatibility with the \fBperltest.sh\fP script, which is used to -confirm that Perl gives the same results as PCRE2. Also, apart from comment -lines, #pattern commands, and #subject commands that set or unset "mark", no -command lines are permitted, because they and many of the modifiers are -specific to \fBpcre2test\fP, and should not be used in test files that are also -processed by \fBperltest.sh\fP. The \fB#perltest\fP command helps detect tests -that are accidentally put in the wrong file. +This line is used in test files that can also be processed by \fBperltest.sh\fP +to confirm that Perl gives the same results as PCRE2. Subsequent tests are +checked for the use of \fBpcre2test\fP features that are incompatible with the +\fBperltest.sh\fP script. +.P +Patterns must use '/' as their delimiter, and only certain modifiers are +supported. Comment lines, #pattern commands, and #subject commands that set or +unset "mark" are recognized and acted on. The #perltest, #forbid_utf, and +#newline_default commands, which are needed in the relevant pcre2test files, +are silently ignored. All other command lines are ignored, but give a warning +message. The \fB#perltest\fP command helps detect tests that are accidentally +put in the wrong file or use the wrong delimiter. For more details of the +\fBperltest.sh\fP script see the comments it contains. .sp #pop [<modifiers>] #popcopy [<modifiers>] @@ -2096,6 +2101,6 @@ Cambridge, England. .rs .sp .nf -Last updated: 20 March 2020 +Last updated: 14 September 2020 Copyright (c) 1997-2020 University of Cambridge. .fi |