I found out that the DocBook XSL stylesheets, which we use for
DocBook->manpage conversion, fail to capitalize letters with diacritics:
$ man -l pdf2djvu.pt.1 | LC_ALL=C grep '^[A-Z].*[^A-Z ]' | tail -n +2
DESCRIçãO
OPçõES
DETALHES DE IMPLEMENTAçãO
RELATóRIOS DE BUGS
VEJA TAMBéM
I believe the culprit is this part of common/pt.xml[0]:
<l:gentext key="lowercase.alpha" text="abcdefghijklmnopqrstuvwxyz"/>
<l:gentext key="uppercase.alpha" text="ABCDEFGHIJKLMNOPQRSTUVWXYZ"/>
Instead, it should probably read:
<l:gentext key="lowercase.alpha" text="aáàâãbcçdeéêfghiíjklmnoóôõpqrstuúvwxyz"/>
<l:gentext key="uppercase.alpha" text="AÁÀÂÃBCÇDEÉÊFGHIÍJKLMNOÓÔÕPQRSTUÚVWXYZ"/>
I hope I got the Portuguese alphabet right! Américo, if you could
confirm this looks good to you, I would file a bug against docbook-xsl.
[0]
https://sources.debian.net/src/docbook-xsl/1.78.1%2Bdfsg-1/docbook-xsl/common/pt.xml/?hl=205:206#L205
--
Jakub Wilk
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