Date: Mon, 6 Apr 2015 11:53:24 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, Dmitry Marakasov <amdmi3@FreeBSD.org>, Garrett Cooper <yaneurabeya@gmail.com> Subject: Re: svn commit: r281129 - head/etc Message-ID: <20150406085323.GL23643@zxy.spb.ru> In-Reply-To: <20150406084937.GX64665@FreeBSD.org> References: <201504060132.t361WRVe090234@svn.freebsd.org> <20150406065619.GH74532@zxy.spb.ru> <6A81B952-BA41-4FF2-9215-D7E69EB8C6FE@gmail.com> <20150406071640.GJ23643@zxy.spb.ru> <20150406082553.GW64665@FreeBSD.org> <20150406084141.GK23643@zxy.spb.ru> <20150406084937.GX64665@FreeBSD.org>
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On Mon, Apr 06, 2015 at 11:49:37AM +0300, Gleb Smirnoff wrote: > On Mon, Apr 06, 2015 at 11:41:41AM +0300, Slawa Olhovchenkov wrote: > S> > S> > >> On Mon, Apr 06, 2015 at 01:32:27AM +0000, Dmitry Marakasov wrote: > S> > S> > >> > S> > S> > >> Author: amdmi3 (ports committer) > S> > S> > >> Date: Mon Apr 6 01:32:26 2015 > S> > S> > >> New Revision: 281129 > S> > S> > >> URL: https://svnweb.freebsd.org/changeset/base/281129 > S> > S> > >> > S> > S> > >> Log: > S> > S> > >> Switch russian login class to UTF-8 > S> > S> > > > S> > S> > > As discursed before this is may cause data lost. > S> > S> > > S> > S> > Why? > S> > S> > S> > S> Create file in koi8 locale with russian charaters. > S> > S> Update OS. Now you have utf-8 locale. > S> > S> Open file in vi. > S> > S> Save file. > S> > S> Done. Some data lost. > S> > S> vi and some other programs (tr and may by other) handle not-utf8 byte secquence in non-safe way. > S> > > S> > Don't save file. > S> > S> You kidding. > S> vi may inform you about data lost only postfactum (in case no lines > S> with koi8 characters currently on screen). > > No, I'm not. > > You open an application, the application does something weird. Do you usually > select "Save" after that? For example, you open Microsoft Word file in OpenOffice, > and you see that file is definitely mangled. Do you select "Save"? > > If you do, you are the one to blame. Don't blame application developers. The > application didn't do implicit save. I am open in vi config file with koi8 comment. First screen don't have lines with koi8 characters. vi silent. I am edit somewehere. vi silent. I am try save. vi: "Conversion error on line 160; Error: t.koi: Illegal byte sequence; t.koi: WARNING: FILE TRUNCATED." At this point data already lost.
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