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Hi again,

>>> [snap]
>>
>> This looks like it would be better written with _alternative:
>>
>>     alts=()
>>     [[ -n "${ID_range_commands[(r)$words[2]]}" ]] && alts+=( 'id-ranges:id ranges:_id-ranges' )
>>     [[ -n "${package_commands[(r)$words[2]]}" ]] && alts+=( 'packages:packages:...' )
>>     ⋮
>>     (( ${+alts[1]} )) && _alternative "$alts[@]"
>>
>> To see the difference, set the «group-name» style to «''» (and
>> optionally the «format» style to something with «%d» in it).  You can
>> see this in «ssh <TAB>» too (compare with/without those two styles).
> 

Now done as you suggest. Nice indeed (and I learned what the first
packages in 'packages:packages:...' is good for).

Updated patches attached.

Cheers,
Paul
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