Portuguese issue in PDF book compilation result

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Hi.

I am making a book with the help of Texinfo.  This book is in European
Portuguese (Portuguese of Portugal).

When I compile the book to PDF, instead of having book links that say
"Sec=C3=A7=C3=A3o X.X.X" (Section X.X.X , on an English translation), my co=
mpiled
book appears with links that say "Se=C3=A7=C3=A3o X.X.X" (mind the omission=
 of the
"c" behind the "=C3=A7").  Which makes those links to be in Brazilian
Portuguese, instead of Portugal's Portuguese.  And my book is written in
Portugal's Portuguese.

I have fetched the source, did a `find` together with an `xargs` and
with a `sed`, to replace all occurrences of [Ss]e=C3=A7 with [Ss]ec=C3=A7 .=
 Making
this the Portugal's way of writing, and making my book all in Portugal's
Portuguese.  The command for this replacement is as follows:

$ find src/ -type f -name \*.bib -or -name \*.cls -or -name \*.dtx -or
=2Dname \*.lang -or -name \*.tex -or -name \*.xml | xargs -d '\n' sed -i
=2De 's/Se=C3=A7/Sec=C3=A7/g' -e 's/se=C3=A7/sec=C3=A7/g'

Well, this is not working.  My GNU Parabola distro recipe for compiling
is attached to this message.

I wonder if these sections links' are images.  If so, it would explain
why my replacement is not working.  If it these links are images, is
there a way to regenerate this images from source?

How can I have my book's sections links appear in Portugal's Portuguese?


My operating system is GNU Parabola/Linux-libre.

My Texinfo package is:

local/texinfo 7.2-2

My TeXLive packages are, which also had the same replacement method
applied to the source (and were locally compiled) are:

local/texlive-basic 2025.2-2 (texlive)
local/texlive-bin 2025.2-1.parabola1
local/texlive-binextra 2025.2-2 (texlive)
local/texlive-doc 2025.2-2
local/texlive-fontsextra 2023.66328-1.par2 (texlive-most)
local/texlive-fontsrecommended 2025.2-2 (texlive)
local/texlive-langenglish 2025.2-2 (texlive-lang)
local/texlive-langportuguese 2025.2-2 (texlive-lang)
local/texlive-latex 2025.2-2 (texlive)
local/texlive-latexextra 2025.2-2 (texlive)
local/texlive-latexrecommended 2025.2-2 (texlive)
local/texlive-pictures 2025.2-2 (texlive)
local/texlive-plaingeneric 2025.2-2 (texlive)


Can someone help me with this issue in my Portuguese book production?

=2D-=20
The pioneers of a warless world are the youth that
refuse military service. ~ Albert Einstein


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Content-Description: PKGBUILD for Texinfo

# Maintainer: Frederik Schwan <freswa at archlinux dot org>
# Contributor: Bart=C5=82omiej Piotrowski <[email protected]>
# Contributor: Allan McRae <[email protected]>
# Contributor: Tom Newsom <[email protected]>

pkgname=3Dtexinfo
pkgver=3D7.2
pkgrel=3D2
pkgdesc=3D'GNU documentation system for on-line information and printed out=
put'
arch=3D(x86_64)
url=3D'https://www.gnu.org/software/texinfo/'
license=3D(GPL3)
depends=3D(ncurses gzip perl sh)
optdepends=3D('perl-archive-zip: EPUB file output via texi2any')
options=3D(!debug)
source=3D(https://ftp.gnu.org/pub/gnu/$pkgname/$pkgname-$pkgver.tar.xz{,.si=
g}
        texinfo-install.hook
        texinfo-remove.hook)
sha256sums=3D('0329d7788fbef113fa82cb80889ca197a344ce0df7646fe000974c5d7143=
63a6'
            'SKIP'
            'beb0ff50bd8e8ca1d6e1c01e6a50352f9d25937c62822cf767a7b3d8f7374a=
9d'
            '913ca8aac84386399b0a83ed0f6b04b5e6322da62f5c1d7ed31e1050ed37c1=
a9')
validpgpkeys=3D('EAF669B31E31E1DECBD11513DDBC579DAB37FBA9') # Gavin Smith


prepare() {
    cd $pkgname-$pkgver

    # my patch
    patch -p1 < ../../0001-tp-ext-epub.pm-make-first-image-a-cover-image.pa=
tch

    echo "Needs this because it is detecting as pt_BR..."
    find . -type f -name \*.po -or -name \*.html | xargs -d '\n' sed -i -e =
's/Se=C3=A7/Sec=C3=A7/g' -e 's/se=C3=A7/sec=C3=A7/g'
}

build() {
    cd $pkgname-$pkgver

    ./configure --prefix=3D/usr

    # update po
    make update-po

    make
}

# check() {
#     make -C $pkgname-$pkgver check
# }

package() {
    make -C $pkgname-$pkgver DESTDIR=3D"$pkgdir" install

    install -dm755 "$pkgdir"/usr/share/libalpm/hooks/
    install -m644 texinfo-{install,remove}.hook "$pkgdir"/usr/share/libalpm=
/hooks/
}

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