inserting more than one letter for alphabetic group in index headi

[simmarko]

I have to build an index from these parts codes: GAA-1111333, GBB-1119039,
GEL-127559.

How to build such an index with the first three letters showing in the index
heading for alphabetic group using field code \h "A" . Below are the field
codes that I need to modify:

INDEX \e " "\h "A" \c "2" \g "4105"

If these are not the right ones please specify others

Thanks in advance

 

[Suzanne S. Barnhill]

I don't believe this is possible. I think you'll need to take a different
approach, perhaps using GAA, GBB, etc., as your main index entries and the
various parts codes as subentries.

 

[simmarko]

Thanks for your reply Suzanne.

This is what I would like to get in my index (so far I have to do it over
manually after each update:

GBO

GBO-12C112G8 4
GBO-12C114G8 6

GEC

GEC-112C5 8
GEC-12C5Z 6


but this is what I get when I use the following field codes:
INDEX \e " "\h "A" \c "2" \g "4105"

G
GBO-12C112G8 4
GBO-12C114G8 6
GEC-112C5 8
GEC-12C5Z 6

Is there any workaround other than using the main entry and subentry approach.

I mean if one can just simply modify these codes (INDEX \e " "\h "A" \c "2"
\g "4105") so that the index heading extract the first three letters for each
group (i.e. GBO, GEC)

Thanks in advance

 

[Suzanne S. Barnhill]

As I said, I don't see any way to do it other than with main entries and
subentries. Note that you could format the Index 1 style to look the same as
the alphabetical divider headings and Index 2 to be the same as the default
Index 1, which should give pretty much the desired result.