Sections, cross-references and separators

[Duncan Hothersall <dh@capdm.com>]

Dear all,

I am confused. Here is a minimal version of my problem:

---
\setupheads[separator=] %<-- this can't be right
\setupreferencing[state=start,chapternumber=yes,global=yes]
\setupsection[section-1][conversion=Characters]
\setupsection[section-2][previousnumber=yes]
\setuphead[part][placehead=yes,resetnumber=yes,page=no]
\setuphead[chapter][page=no]
\setuphead[section][number=no]
\setuppagenumbering[partnumber=no]
\starttext
\placelist[part,chapter,section][alternative=b,partnumber=no]
\part[ptest]{Ptest}
\chapter[ctest]{Ctest}
\section[stest]{Stest}
See \in{Chapter}[ctest] (should say A1) and \in{Figure}[ftest] (should 
say A1.1).
\placefigure[here][ftest]{Ftest (should be called A1.1)}{}
\stoptext
---

What I am aiming for is a style where:
    Parts are labelled A, B, C [done],
    Chapters are labelled A1, A2, A3 [done, but...],
    Cross-references to Chapters call them A1, A2, A3 [not done: I'm 
getting A.1]
    Figures are labelled A1.1, A1.2 [not done; I'm getting A.11 (eek!)]
    Cross-references to Figures call them A1.1, A1.2 [not done: I'm 
getting A.11]

It seems to me that the line
\setupheads[separator=]
can't possibly be right and is almost certainly causing the missing dot 
in the Figure number, but it was the only way I could find to remove the 
dot between the A and the 1 in the chapter label. I have toiled a little 
with the core-ref code and cannot fathom how any of the variety of uses 
of the word "separator" make sense, or indeed if they really have 
anything to do with it... :-)

I'm testing on the garden, using pdfTeX. I'd be *really* grateful for 
some help with this one.

Thanks,

Duncan

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