From 21a37ed924de50cc36ff47b17a9711058bb5ab2e Mon Sep 17 00:00:00 2001 From: ph10 Date: Thu, 6 Oct 2016 17:44:39 +0000 Subject: [PATCH] Fix typos in documentation. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@560 6239d852-aaf2-0410-a92c-79f79f948069 Petr Písař: Ported to 10.22. Signed-off-by: Petr Písař --- doc/pcre2pattern.3 | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/doc/pcre2pattern.3 b/doc/pcre2pattern.3 index 70ac14a..4516ffc 100644 --- a/doc/pcre2pattern.3 +++ b/doc/pcre2pattern.3 @@ -359,8 +359,7 @@ case letter, it is converted to upper case. Then bit 6 of the character (hex 40) is inverted. Thus \ecA to \ecZ become hex 01 to hex 1A (A is 41, Z is 5A), but \ec{ becomes hex 3B ({ is 7B), and \ec; becomes hex 7B (; is 3B). If the code unit following \ec has a value less than 32 or greater than 126, a -compile-time error occurs. This locks out non-printable ASCII characters in all -modes. +compile-time error occurs. .P When PCRE2 is compiled in EBCDIC mode, \ea, \ee, \ef, \en, \er, and \et generate the appropriate EBCDIC code values. The \ec escape is processed @@ -369,19 +368,19 @@ that are allowed after \ec are A-Z, a-z, or one of @, [, \e, ], ^, _, or ?. Any other character provokes a compile-time error. The sequence \e@ encodes character code 0; the letters (in either case) encode characters 1-26 (hex 01 to hex 1A); [, \e, ], ^, and _ encode characters 27-31 (hex 1B to hex 1F), and -\e? becomes either 255 (hex FF) or 95 (hex 5F). +\ec? becomes either 255 (hex FF) or 95 (hex 5F). .P -Thus, apart from \e?, these escapes generate the same character code values as +Thus, apart from \ec?, these escapes generate the same character code values as they do in an ASCII environment, though the meanings of the values mostly -differ. For example, \eG always generates code value 7, which is BEL in ASCII +differ. For example, \ecG always generates code value 7, which is BEL in ASCII but DEL in EBCDIC. .P -The sequence \e? generates DEL (127, hex 7F) in an ASCII environment, but +The sequence \ec? generates DEL (127, hex 7F) in an ASCII environment, but because 127 is not a control character in EBCDIC, Perl makes it generate the APC character. Unfortunately, there are several variants of EBCDIC. In most of them the APC character has the value 255 (hex FF), but in the one Perl calls POSIX-BC its value is 95 (hex 5F). If certain other characters have POSIX-BC -values, PCRE2 makes \e? generate 95; otherwise it generates 255. +values, PCRE2 makes \ec? generate 95; otherwise it generates 255. .P After \e0 up to two further octal digits are read. If there are fewer than two digits, just those that are present are used. Thus the sequence \e0\ex\e015 -- 2.7.4