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ex-vi
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documented support for East Asian encodings

This commit is contained in:
Gunnar Ritter 2005-01-22 16:54:26 +00:00
parent e444210570
commit 2e78936ac0
2 changed files with 21 additions and 14 deletions
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26
README
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@ -5,10 +5,10 @@ This implementation is derived from ex/vi 3.7 of 6/7/85 and the BSD
termcap library, originally from the 2.11BSD distribution. All of them termcap library, originally from the 2.11BSD distribution. All of them
were changed to compile and run on newer POSIX compatible Unix systems. were changed to compile and run on newer POSIX compatible Unix systems.
Support for international character sets was added, including support Support for international character sets was added, including support
for multibyte locales (in particular UTF-8), and some changes were made for multibyte locales (based on UTF-8 or East Asian encodings), and some
to get closer to the POSIX.2 guidelines for ex and vi. Some issues that changes were made to get closer to the POSIX.2 guidelines for ex and
were clearly bugs and not features have also been resolved; the the vi. Some issues that were clearly bugs and not features have also been
Changes file for details. resolved; see the Changes file for details.
New releases are announced on Fresmeat. If you want to get New releases are announced on Fresmeat. If you want to get
notified by email on each release, use their subscription service at notified by email on each release, use their subscription service at
@ -86,8 +86,7 @@ provide basic multibyte support. In particular, vi needs wcwidth() to
determine the visual width of a character, and mbrtowc() to detect when a determine the visual width of a character, and mbrtowc() to detect when a
byte sequence that is entered at the terminal has been completed. byte sequence that is entered at the terminal has been completed.
The multibyte code is known to work with UTF-8 locales on the following The multibyte code is known to work on the following systems:
systems:
Linux glibc 2.2.2 and later Linux glibc 2.2.2 and later
Sun Solaris 9 and later Sun Solaris 9 and later
@ -95,16 +94,23 @@ HP HP-UX B.11.23
FreeBSD 5.3 FreeBSD 5.3
NetBSD 2.0 NetBSD 2.0
It has been tested with xterm patch #192, rxvt-unicode 4.2, and It has been tested on xterm patch #192, rxvt-unicode 4.2, mlterm 2.9.1, and
mlterm 2.9.1. xiterm 0.5.
To use UTF-8 locales in ex mode, the terminal must be put in 'stty iutf8' Successful operation is known for the following encodings: UTF-8, EUC-JP,
EUC-KR, Big5, Big5-HKSCS, GBK. vi does not support locking-shift encodings
like those that use ISO 2022 escape sequences. It also requires that the
first byte of any multibyte character has the highest bit set. This excludes
7-bit encodings like UTF-7, and encodings whose sequences start with ASCII
characters like TCVN 5712.
To use UTF-8 locales in ex mode, the terminal should be put in 'stty iutf8'
mode on Linux if it does not perform this automatically. Otherwise, typing mode on Linux if it does not perform this automatically. Otherwise, typing
the erase key once after entering a multibyte character will result in an the erase key once after entering a multibyte character will result in an
incomplete byte sequence. incomplete byte sequence.
Gunnar Ritter 1/1/05 Gunnar Ritter 1/22/05
Freiburg i. Br. Freiburg i. Br.
Germany Germany
<Gunnar.Ritter@pluto.uni-freiburg.de> <Gunnar.Ritter@pluto.uni-freiburg.de>

9
ex.spec
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@ -1,5 +1,5 @@
# #
# Sccsid @(#)ex.spec 1.6 (gritter) 11/27/04 # Sccsid @(#)ex.spec 1.7 (gritter) 1/22/05
# #
Summary: A port of the traditional ex/vi editors Summary: A port of the traditional ex/vi editors
Name: ex Name: ex
@ -30,9 +30,10 @@ Requires: /etc/termcap
%define makeflags PREFIX=%{prefix} BINDIR=%{bindir} LIBEXECDIR=%{libexecdir} MANDIR=%{mandir} PRESERVEDIR=%{preservedir} INSTALL=%{ucbinstall} RPMCFLAGS="%{cflags}" %define makeflags PREFIX=%{prefix} BINDIR=%{bindir} LIBEXECDIR=%{libexecdir} MANDIR=%{mandir} PRESERVEDIR=%{preservedir} INSTALL=%{ucbinstall} RPMCFLAGS="%{cflags}"
%description %description
This is a port of the traditional ex and vi editor implementation. It This is a port of the traditional ex and vi editor implementation as
was enhanced to support most of the additions in System V and POSIX.2, found on 2BSD and 4BSD. It was enhanced to support most of the additions
and international character sets (including UTF-8). in System V and POSIX.2, and international character sets like UTF-8 and
many East Asian encodings.
%prep %prep
rm -rf %{buildroot} rm -rf %{buildroot}