[Bug-AUCTeX] 2010-09-17; AUCTeX cannot compile ConTeXt file

[Liu Chang]

When I am using C-c C-c context command to compile a context file, auctex shows output like this

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Running `ConTeXt' on `123' with ``texexec --once --texutil --engine=ConTeXt-engine --interface=en --nonstop 123.tex''
TeXExec | processing document '123.tex'
TeXExec | no ctx file found
TeXExec | tex processing method: context
TeXExec | writing option file 123.top
TeXExec | using randomseed 10
TeXExec | tex engine: false
TeXExec | tex format: cont-en
TeXExec | runtime: 0.034210686

ConTeXt finished at Fri Sep 17 22:13:42
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And it says it produce a output file with 0 pages. I think the option '--engine=ConTeXt-engine' is the problem. How can I remove it from contex command?

I think it is a bug because I does not change any settings in ConTeXt area in AUCTeX.
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Emacs  : GNU Emacs 23.2.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1)
 of 2010-05-08 on pidsley.hoetzel.info
Package: 2010-09-12

current state:
==============
(setq
 AUCTeX-date "2010-09-12"
 window-system 'x
 LaTeX-version "2e"
 TeX-style-path '("/var/auctex" "/usr/share/emacs/site-lisp/auctex/style" "/home/elf/.emacs.d/auctex/auto" "/home/elf/.emacs.d/auctex/style" "auto"
          "style")
 TeX-auto-save t
 TeX-parse-self nil
 TeX-master t
 TeX-command-list '(("TeX" "%(PDF)%(tex) %`%S%(PDFout)%(mode)%' %t" TeX-run-TeX nil (plain-tex-mode ams-tex-mode texinfo-mode) :help "Run plain TeX")
            ("LaTeX" "%`%l%(mode)%' %t" TeX-run-TeX nil (latex-mode doctex-mode) :help "Run LaTeX")
            ("Makeinfo" "makeinfo %t" TeX-run-compile nil (texinfo-mode) :help "Run Makeinfo with Info output")
            ("Makeinfo HTML" "makeinfo --html %t" TeX-run-compile nil (texinfo-mode) :help "Run Makeinfo with HTML output")
            ("AmSTeX" "%(PDF)amstex %`%S%(PDFout)%(mode)%' %t" TeX-run-TeX nil (ams-tex-mode) :help "Run AMSTeX")
            ("ConTeXt" "texexec --once --texutil %(execopts)%t" TeX-run-TeX nil (context-mode) :help "Run ConTeXt once")
            ("ConTeXt Full" "texexec %(execopts)%t" TeX-run-TeX nil (context-mode) :help "Run ConTeXt until completion")
            ("BibTeX" "bibtex %s" TeX-run-BibTeX nil t :help "Run BibTeX") ("View" "%V" TeX-run-discard-or-function t t :help "Run Viewer")
            ("Print" "%p" TeX-run-command t t :help "Print the file")
            ("Queue" "%q" TeX-run-background nil t :help "View the printer queue" :visible TeX-queue-command)
            ("File" "%(o?)dvips %d -o %f " TeX-run-command t t :help "Generate PostScript file")
            ("Index" "makeindex %s" TeX-run-command nil t :help "Create index file")
            ("Check" "lacheck %s" TeX-run-compile nil (latex-mode) :help "Check LaTeX file for correctness")
            ("Spell" "(TeX-ispell-document \"\")" TeX-run-function nil t :help "Spell-check the document")
            ("Clean" "TeX-clean" TeX-run-function nil t :help "Delete generated intermediate files")
            ("Clean All" "(TeX-clean t)" TeX-run-function nil t :help "Delete generated intermediate and output files")
            ("Other" "" TeX-run-command t t :help "Run an arbitrary command"))
 )
--engine=ConTeXt-engine