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Documentation update.

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Philip.Hazel 2019-06-20 15:50:21 +00:00
parent 9c53b6b11a
commit 9d00c46ff1
3 changed files with 16 additions and 14 deletions
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9
doc/html/pcre2pattern.html
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@ -3321,12 +3321,13 @@ the outer parentheses.
because an ungreedy quantification with a minimum of zero acts only when a
backtrack happens. Consider, for example,
<pre>
A(*ACCEPT)??BC
(A(*ACCEPT)??B)C
</pre>
where A, B, and C may be complex expressions. After matching "A", the matcher
processes "BC"; if that fails, causing a backtrack, (*ACCEPT) is triggered and
the match succeeds. Whereas (*COMMIT) (see below) means "fail on backtrack", a
repeated (*ACCEPT) of this type means "succeed on backtrack".
the match succeeds. In both cases, all but C is captured. Whereas (*COMMIT)
(see below) means "fail on backtrack", a repeated (*ACCEPT) of this type means
"succeed on backtrack".
</P>
<P>
<b>Warning:</b> (*ACCEPT) should not be used within a script run group, because
@ -3742,7 +3743,7 @@ Cambridge, England.
</P>
<br><a name="SEC31" href="#TOC1">REVISION</a><br>
<P>
Last updated: 10 June 2019
Last updated: 20 June 2019
<br>
Copyright &copy; 1997-2019 University of Cambridge.
<br>

10
doc/pcre2.txt
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@ -9030,13 +9030,13 @@ BACKTRACKING CONTROL
fied because an ungreedy quantification with a minimum of zero acts
only when a backtrack happens. Consider, for example,
A(*ACCEPT)??BC
(A(*ACCEPT)??B)C
where A, B, and C may be complex expressions. After matching "A", the
matcher processes "BC"; if that fails, causing a backtrack, (*ACCEPT)
is triggered and the match succeeds. Whereas (*COMMIT) (see below)
means "fail on backtrack", a repeated (*ACCEPT) of this type means
"succeed on backtrack".
is triggered and the match succeeds. In both cases, all but C is cap-
tured. Whereas (*COMMIT) (see below) means "fail on backtrack", a
repeated (*ACCEPT) of this type means "succeed on backtrack".
Warning: (*ACCEPT) should not be used within a script run group,
because it causes an immediate exit from the group, bypassing the
@ -9428,7 +9428,7 @@ AUTHOR
REVISION
Last updated: 10 June 2019
Last updated: 20 June 2019
Copyright (c) 1997-2019 University of Cambridge.
------------------------------------------------------------------------------

11
doc/pcre2pattern.3
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@ -1,4 +1,4 @@
.TH PCRE2PATTERN 3 "10 June 2019" "PCRE2 10.34"
.TH PCRE2PATTERN 3 "20 June 2019" "PCRE2 10.34"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH "PCRE2 REGULAR EXPRESSION DETAILS"
@ -3366,12 +3366,13 @@ the outer parentheses.
because an ungreedy quantification with a minimum of zero acts only when a
backtrack happens. Consider, for example,
.sp
A(*ACCEPT)??BC
(A(*ACCEPT)??B)C
.sp
where A, B, and C may be complex expressions. After matching "A", the matcher
processes "BC"; if that fails, causing a backtrack, (*ACCEPT) is triggered and
the match succeeds. Whereas (*COMMIT) (see below) means "fail on backtrack", a
repeated (*ACCEPT) of this type means "succeed on backtrack".
the match succeeds. In both cases, all but C is captured. Whereas (*COMMIT)
(see below) means "fail on backtrack", a repeated (*ACCEPT) of this type means
"succeed on backtrack".
.P
\fBWarning:\fP (*ACCEPT) should not be used within a script run group, because
it causes an immediate exit from the group, bypassing the script run checking.
@ -3777,6 +3778,6 @@ Cambridge, England.
.rs
.sp
.nf
Last updated: 10 June 2019
Last updated: 20 June 2019
Copyright (c) 1997-2019 University of Cambridge.
.fi