diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/pcrematching.3 | 8 | ||||
| -rw-r--r-- | doc/pcrepattern.3 | 14 |
2 files changed, 11 insertions, 11 deletions
diff --git a/doc/pcrematching.3 b/doc/pcrematching.3 index 4c88322..4ca806b 100644 --- a/doc/pcrematching.3 +++ b/doc/pcrematching.3 @@ -132,9 +132,9 @@ and not on others), is not supported. It causes an error if encountered. always 1, and the value of the \fIcapture_last\fP field is always -1. .P 7. The \eC escape sequence, which (in the standard algorithm) matches a single -byte, even in UTF-8 mode, is not supported because the alternative algorithm -moves through the subject string one character at a time, for all active paths -through the tree. +byte, even in UTF-8 mode, is not supported in UTF-8 mode, because the +alternative algorithm moves through the subject string one character at a time, +for all active paths through the tree. .P 8. Except for (*FAIL), the backtracking control verbs such as (*PRUNE) are not supported. (*FAIL) is supported, and behaves like a failing negative assertion. @@ -191,6 +191,6 @@ Cambridge CB2 3QH, England. .rs .sp .nf -Last updated: 17 November 2010 +Last updated: 19 November 2011 Copyright (c) 1997-2010 University of Cambridge. .fi diff --git a/doc/pcrepattern.3 b/doc/pcrepattern.3 index e35bf71..18def50 100644 --- a/doc/pcrepattern.3 +++ b/doc/pcrepattern.3 @@ -1003,9 +1003,9 @@ processing unless the PCRE_NO_UTF8_CHECK option is used). PCRE does not allow \eC to appear in lookbehind assertions .\" HTML <a href="#lookbehind"> .\" </a> -(described below), +(described below) .\" -because in UTF-8 mode this would make it impossible to calculate the length of +in UTF-8 mode, because this would make it impossible to calculate the length of the lookbehind. .P In general, the \eC escape sequence is best avoided in UTF-8 mode. However, one @@ -1970,10 +1970,10 @@ temporarily move the current position back by the fixed length and then try to match. If there are insufficient characters before the current position, the assertion fails. .P -PCRE does not allow the \eC escape (which matches a single byte in UTF-8 mode) -to appear in lookbehind assertions, because it makes it impossible to calculate -the length of the lookbehind. The \eX and \eR escapes, which can match -different numbers of bytes, are also not permitted. +In UTF-8 mode, PCRE does not allow the \eC escape (which matches a single byte, +even in UTF-8 mode) to appear in lookbehind assertions, because it makes it +impossible to calculate the length of the lookbehind. The \eX and \eR escapes, +which can match different numbers of bytes, are also not permitted. .P .\" HTML <a href="#subpatternsassubroutines"> .\" </a> @@ -2874,6 +2874,6 @@ Cambridge CB2 3QH, England. .rs .sp .nf -Last updated: 14 November 2011 +Last updated: 19 November 2011 Copyright (c) 1997-2011 University of Cambridge. .fi |