From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/86897 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: [luatex-plain] disappearing math-on node Date: Thu, 03 Apr 2014 23:56:36 +0200 Message-ID: <533DD914.2040009@wxs.nl> References: Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1396562240 18579 80.91.229.3 (3 Apr 2014 21:57:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 3 Apr 2014 21:57:20 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Thu Apr 03 23:57:14 2014 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([5.39.185.229]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WVpdJ-0006LO-KN for gctc-ntg-context-518@m.gmane.org; Thu, 03 Apr 2014 23:57:13 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id F132C10222 for ; Thu, 3 Apr 2014 23:57:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id cpuALotgxYgc for ; Thu, 3 Apr 2014 23:57:12 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id C9DCD10225 for ; Thu, 3 Apr 2014 23:57:07 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 21A16101E3 for ; Thu, 3 Apr 2014 23:57:02 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id rYXXftvNqIrm for ; Thu, 3 Apr 2014 23:57:00 +0200 (CEST) Original-Received: from filter2-ams.mf.surf.net (filter2-ams.mf.surf.net [192.87.102.70]) by balder.ntg.nl (Postfix) with ESMTP id 2B446101E1 for ; Thu, 3 Apr 2014 23:56:50 +0200 (CEST) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter2-ams.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id s33LunJZ023259 for ; Thu, 3 Apr 2014 23:56:49 +0200 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.100.1.104; Original-Received: from [10.100.1.104] (unverified [10.100.1.104]) by pragma-net.nl (SurgeMail 6.3c2) with ESMTP id 9974-1713362 for ; Thu, 03 Apr 2014 23:56:49 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 In-Reply-To: X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: ntg-context@ntg.nl, base:default, @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=Provincie Overijssel; city=Zwolle; latitude=52.5058; longitude=6.0858; http://maps.google.com/maps?q=52.5058,6.0858&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0QLJxUNIa - b8af668d468f - 20140403 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.70 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.14 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:86897 Archived-At: On 4/3/2014 6:29 PM, Dohyun Kim wrote: > Hi, > > This is a bug report based on the issue discussed at > https://github.com/lualatex/luaotfload/issues/212 > > \font\tenrm{file:lmroman10-regular.otf:mode=node;script=latn}\tenrm > \setbox0\vbox{% > x\penalty-10000 > $a$x$a$ > } > \unvbox0 > \setbox0\lastbox > \unhbox0 > \end > > The plain tex code shown above fails with a lua error: > luatex-fonts-merged.lua:9616: attempt to index local 'current' (a nil value) > > My guess is: as math-on (math-off too) is a "discardable" item after a > linebreak, the first math-on node has gone away. So the > math-on/math-off pair has become broken, by which the behavior of > "node.end_of_math" is confused. mtxrun --script plain test.tex runs ok here so i need an example that fails with context or luatex-plain normally the font callback is called on a hlist and there are always paired math nodes (what is line 9616 in the current beta?) If indeed the end_of_math is a problem i can remove that optimiziation in the generic code Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________