[looping in groff mailing list to pitch a terminological reform] Hi Alex,
At 2024-03-17T19:56:10+0100, Alejandro Colomar wrote:
> You already gained the first two spaces from the previous RS, in which
> you're nested. Remember that we have
>
> .RS "\w' 'u"
> .IP \(bu "\w'\(bu 'u"
>
> a few lines above. The second RS, by default, does the same as the
> previous IP, that is, "\w'\(bu 'u".
I see that I need to clarify the groff_man(7) page in this department.
In fact, I suspect Doug McIlroy's term "prevailing indent" was
tailor-made for expressing this behavior. But I want to amend it, in
documentation and the "an.tmac" source file, to "prevailing _inset_",
because "indentation" is overloaded to also refer to the additional
spacing applied to (at least some) lines of an `IP`, `TP`, or
(deprecated) `HP` paragraph.
The resulting concept is simple.
prevailing inset = base paragraph inset + sum of relative insets
Equivalently:
prevailing inset = value of `BP` register[1] + amounts in `RS` calls[2]
Regards,
Branden
[1] forthcoming in groff 1.24
[2] for each active inset, if specified; if not, the indentation of the
previous paragraph in the (sub)section is used, and if none (as with
`P` and its synonyms), then the value of the `IN` register
I _think_ I've got that right.
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