Hello everyone,
I am trying to automatically build *two indexes* (nominum & rerum) from
two lists (|nomen-list.txt| and |rerum-list.txt|) *without having to*
manually tag the text.
* *ConTeXt LMTX* (ConTeXt Process Management 1.06
* mtx-context | current version: 2025.07.27 21:43
* OS: Windows
* Compile commands:
|context --purgeall MWE_setregisterentry.tex|
|context MWE_setregisterentry.tex|
Approach:
* I use *|input.processors.add(“autoindex”, filter)|* +
|\enabledirectives[input.processors=autoindex]| (no
|callbacks.register|).
* In the processor, I search for *literal* occurrences (accents OK;
|'|/|’| and |-|/|–|/|—| tolerated).
* Instead of injecting the classic command |\index[...]|, I call
*|\setregisterentry|* to properly register the entry (key/display).
* The registers are defined in the preamble, |state=stop| then
*|state=start| just after |\starttext|*, and printed with
|\placeregister[...]| in the backmatter.
Problem:
* The MWE *compiles perfectly* (PDF produced, pages OK) but *both
indexes remain empty*.
* I wonder if the processor injects the command during a *preroll* (or
“trial typesetting”), which would cause the entry to be “lost.” Is
there a recommended *flag* (e.g., |\ifprerolling| or equivalent) to
*neutralize* |\setregisterentry| during prerolls and execute it
*only at the right time*?
Questions:
1. Is the approach via |input.processors.add| +
|\enabledirectives[input.processors=autoindex]| the *right* one for
LMTX (rather than the old callbacks)?
2. Is there a *recommended method* for calling |\setregisterentry| from
an input processor in a *reliable* way?
3. Is the signature |\setregisterentry[reg][keys={...}][entries={...}]|
preferable to the /n/-level form (|keys:1|, |entries:1|) in this use
case?
4. Would you recommend *anchoring* detection on *short units* (e.g.,
“Aquin,” “Augustin”) and then forcing the key/display for sorting
(|Aquin, Thomas|Thomas d'Aquin|)? I know: French diacritical marks,
apostrophes, and other characters add an additional constraint to
the indexing of proper names and nouns (see the word “aujourd'hui”
and others).
Thank you in advance for your insights!
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