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Rowland,
<div class=""><br class="">
</div>
<div class="">I don’t think the 6, 9, 66, and 99 quotation marks are present in Latin 9. You can
<div class="">check here: <a href="https://en.wikipedia.org/wiki/ISO/IEC_8859-15" class="">https://en.wikipedia.org/wiki/ISO/IEC_8859-15</a></div>
<div class=""><br class="">
</div>
<div class="">A better solution would be to use UTF-8.</div>
<div class=""><br class="">
</div>
<div class="">When checking encoding issues, I find it invaluable to use BBEdit (free demo version)</div>
<div class="">as it can open a text file with various encodings and line endings.</div>
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<blockquote type="cite" class="">
<div class="">Le 8 déc. 2017 à 17:38, Rowland McDonnell <<a href="mailto:rowland.mcdonnell@physics.org" class="">rowland.mcdonnell@physics.org</a>> a écrit :</div>
<br class="Apple-interchange-newline">
<div class="">
<div class="">Hello,<br class="">
<br class="">
I've just tried to use:<br class="">
<br class="">
\usepackage[latin9]{inputenc}<br class="">
<br class="">
to allow me to use `native' non-ASCII characters in my input documents and the results have not been as expected.<br class="">
<br class="">
I'm using TeXShop 3.92 and macOS High Sierra v10.13.1 (17B1003)<br class="">
<br class="">
The TeXShop Source preferences pane lists "Encoding" as Western (ISO Latin 9).<br class="">
<br class="">
When I process the following file with LaTeX:<br class="">
<br class="">
\documentclass{article}<br class="">
\usepackage[latin9]{inputenc}<br class="">
\begin{document}<br class="">
<br class="">
“ ” ‘ ’<br class="">
<br class="">
\end{document}<br class="">
<br class="">
the output pdf file contains four question marks where the quotation marks should be:<br class="">
<br class="">
? ? ? ?<br class="">
<br class="">
Note: I created the test file from scratch using TeXShop's File->New command.<br class="">
<br class="">
On the off chance it might help, I tried:<br class="">
<br class="">
\documentclass{article}<br class="">
\usepackage[latin9]{inputenc}<br class="">
\usepackage{t1enc}<br class="">
\begin{document}<br class="">
<br class="">
“ ” ‘ ’<br class="">
<br class="">
\end{document}<br class="">
<br class="">
and got the same results.<br class="">
<br class="">
I closed the file and opened it again. The quotation marks in the input file had all been turned into question marks. The document text which had looked like this:<br class="">
<br class="">
\begin{document}<br class="">
<br class="">
“ ” ‘ ’<br class="">
<br class="">
\end{document}<br class="">
<br class="">
Now looked like this:<br class="">
<br class="">
\begin{document}<br class="">
<br class="">
? ? ? ?<br class="">
<br class="">
\end{document}<br class="">
<br class="">
When I LaTeXed that file, I got question marks in the output file.<br class="">
<br class="">
I changed the input file to:<br class="">
<br class="">
% !TEX encoding = IsoLatin9<br class="">
\documentclass{article}<br class="">
\usepackage[latin9]{inputenc}<br class="">
\usepackage{t1enc}<br class="">
\begin{document}<br class="">
<br class="">
“ ” ‘ ’<br class="">
<br class="">
\end{document}<br class="">
<br class="">
LaTeXing this file produced question marks in the output instead of quotation marks.<br class="">
<br class="">
I saved this file, closed it, and reopened it in TeXShop and the input file again had the quotation marks replaced by question marks.<br class="">
<br class="">
I assumed some kind of an encoding problem had occurred, deleted the question marks, and replaced it with:<br class="">
<br class="">
\begin{document}<br class="">
<br class="">
“ ” ‘ ’<br class="">
<br class="">
\end{document}<br class="">
<br class="">
Processing that text using LaTeX produced an output of four question marks (and a page number) as before.<br class="">
<br class="">
I closed the file and opened it again in TeXShop, to find that once again the quotation marks I'd entered had been turned into question marks:<br class="">
<br class="">
? ? ? ?<br class="">
<br class="">
TeXShop's Typesetting preferences are set to:<br class="">
<br class="">
Dafault Command: LaTeX<br class="">
<br class="">
Default Script: Pdftex<br class="">
<br class="">
It appears something is not working properly. I'd appreciate any insights into this issue.<br class="">
<br class="">
Cheers,<br class="">
Rowland.<br class="">
<br class="">
P.S. A typical console log from one of my tests looks like this:<br class="">
<br class="">
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017) (preloaded format=pdflatex)<br class="">
restricted \write18 enabled.<br class="">
entering extended mode<br class="">
(./file encodings test 1.tex<br class="">
LaTeX2e <2017-04-15><br class="">
Babel <3.10> and hyphenation patterns for 84 language(s) loaded.<br class="">
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/article.cls<br class="">
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class<br class="">
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/size10.clo))<br class="">
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/inputenc.sty<br class="">
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/latin9.def))<br class="">
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/t1enc.sty)<br class="">
(./file encodings test 1.aux) [1{/usr/local/texlive/2017/texmf-var/fonts/map/pd<br class="">
ftex/updmap/pdftex.map}] (./file encodings test 1.aux) ){/usr/local/texlive/201<br class="">
7/texmf-dist/fonts/enc/dvips/cm-super/cm-super-t1.enc}</usr/local/texlive/2017/<br class="">
texmf-dist/fonts/type1/public/cm-super/sfrm1000.pfb><br class="">
Output written on "file encodings test 1.pdf" (1 page, 10010 bytes).<br class="">
SyncTeX written on "file encodings test 1.synctex.gz"<br class="">
Transcript written on "file encodings test 1.log".<br class="">
<br class="">
<br class="">
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</blockquote>
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