Date: Wed, 16 Feb 2000 16:01:48 +0200 (IST) From: Eli Zaretskii X-Sender: eliz AT is To: Esa A E Peuha cc: djgpp AT delorie DOT com Subject: Re: Problems with Emacs 20.5 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: dj-admin AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Wed, 16 Feb 2000, Esa A E Peuha wrote: > First, > the quote "MS-DOS doesn't allow use of several codepages in a single > session. Instead, MS-DOS loads a single codepage at system startup, > and you must reboot MS-DOS to change it" from the manual is not true; > DOS does allow more than one codepage to be loaded at startup, and they > can be changed with the CHCP command. Right. However, Emacs currently doesn't support the equivalent of CHCP during the session, so the wording in the manual, while misleading about DOS in general, is accurate as far as Emacs is concerned. In any case, even if CHCP is supported, you won't be able to mix several different character sets on the same display: CHCP changes all of the displayed characters at once. > Second, entering non-ASCII characters doesn't work. It does work, just not in the way you tried it. > For example, typing ``C-x 8 " A'' produces code > 196, which is the code for A-umlaut in iso-latin-1, but it is interpreted > in the context of the current code page You cannot currently use `C-x 8' (and any other variants of 8-bit input) in the DJGPP version of Emacs. You need to install the Leim package (lei2005b.zip) and use one of the input methods provided there for your language. For Latin-1, you have a variety of latin-1-* input methods; choose the one you like most. The problem with direct input of 8-bit characters is that the DOS keyboard generates codes in the current codepage, which are different from the Latin-N encodings of those same characters. The Right Way to solve this would be to use cpNNN (cp437 in your case) as the keyboard coding system, which will cause Emacs to perform the conversion automatically. However, due to a subtle limitation of the CCL decoder used to implement the codepage support, Emacs will currently refuse to set keyboard coding system to any of the cpNNN family. (This limitation is removed in the development sources and the corrected code will be in Emacs 21. If you really are desperate, I can mail you a single Lisp file that should make this work, but I'm not sure if it will work with Emacs 20.5.)