From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lennart Borgman Newsgroups: gmane.emacs.bugs Subject: bug#5586: 23.1.92.1; Electric indentation and hungry backspace deletion in JavaScript mode (js-mode) Date: Mon, 29 Mar 2010 00:37:24 +0200 Message-ID: References: <87aatsuqbu.fsf@stupidchicken.com> <4BAFC309.70701@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: dough.gmane.org 1269816948 32663 80.91.229.12 (28 Mar 2010 22:55:48 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 28 Mar 2010 22:55:48 +0000 (UTC) Cc: Chong Yidong , 5586@debbugs.gnu.org, Paul Pogonyshev To: Daniel Colascione Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 29 00:55:43 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Nw1OP-0005Wa-AU for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 28 Mar 2010 15:37:44 -0700 (PDT) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sun, 28 Mar 2010 18:38:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:35789 Archived-At: On Sun, Mar 28, 2010 at 10:58 PM, Daniel Colascione wrote: > > The chief difficulty I see is that in some modes, indentation isn't > idempotent: if you ran indent-line-function from some generic electric > code, it might change the indentation of the current line in unwanted > ways. (Imagine python-mode, where indent-line-function cycles through > feasible indentation levels for a given line.) > > At best, modes would have to opt-in, and if each mode needs some glue > anyway, why not just let each mode handle electric characters itself? Because without something like indent-line-function you can not handle it in a more generic way. The absense of this in some major modes has for example costed me a lot of burden in mumamo (the framework in nXhtml for mult major modes in a buffer). Actually indent-line-function is not generic enough. One more level is needed: one that computes the desirable indentation.