[pdftex] foreign letter in text

[Peter Selinger]

If you're on a unix-like system, the following command will find all lines with non-ASCII characters in one or more files:

LC_ALL=utf8 egrep -n '[^ -~]' file.tex

-- Peter

________________________________
From: pdftex <pdftex-bounces+selinger=mathstat.dal.ca at tug.org> on behalf of David Carlisle via pdftex <pdftex at tug.org>
Sent: April 21, 2024 4:01 PM
To: pdftex at tug.org <pdftex at tug.org>
Subject: Re: [pdftex] foreign letter in text


On 21/04/2024 19:53, Aleks Kleyn wrote:
>
> When I prepare text in English, I usually write it on Russian and then
> translate it into English. But sometimes these operations for different
> reason are separated in time. Initially pdflatex printed in log which are
> not English. It was helpful to locate such letters and finish text. Now
> pdflatex prints some blank symbol instead of foreign letter. And how I can
> locate now foreign letter in text that has about 20 files?
>
> Aleks Kleyn
>
>
As you provided no example it is hard to know what you have done but you
should never get no output with no warning.


For example this document with (I hope:-) one Russian word left in an
English paragraph



\documentclass{article}

\begin{document}

Some English  with a Русский word

\end{document}


Produces the error


! LaTeX Error: Unicode character Р (U+0420)
                not set up for use with LaTeX.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
  ...

l.5 Some English  with a Р
                            усский word
?


Which as you see, higlights the exact location of the Cyrillic text.


David




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