Unnumbered chapters (title), numbered appendices

[Alan BRASLAU <alan.braslau@cea.fr>]

Hello,

I am having difficulties with the use of unnumbered chapters (\title)
as well as the use of appendices.

http://wiki.contextgarden.net/Titles#Unnumbered_titles_in_table_of_contents
gives a few recipes for the use of unnumbered titles and their inclusion in
the table of contents. Unfortunately, they do not work!

\definehead [intro] [chapter] \setuphead [intro] [number=no]
will increment the chapter number, as does 
\setuphead [title] [incrementnumber=yes,number=no]

trying "coupling=no" gives missing number errors (in the toc).

Furthermore, placing chapters into \frontmatter and \backmatter might not always be a solution.



In a document structured in *parts*, one might want to have an introduction
(and other "front matter") as well as conclusions (and other "back matter").
One needs a means of switching section blocks, for example, without resetting everything.
Maybe this can become an option in
\startfrontmatter [reset=no]
\startappendices [reset=no]
\startbackmatter [reset=no]
for example, or else:
\setupsectionblock [appendix] [resetnumber=no] % number=yes|no


Another route could be through the use of the *mysterious* structureresetset
\definestructureresetset [default] [0,0] [1] % do not reset parts and chapters
\setuphead [part,chapter] [sectionresetset=default]
coupled somehow to the section blocks.

Alan

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