<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 10 Dec 2020 at 16:22, Paulo Ney de Souza <<a href="mailto:pauloney@gmail.com">pauloney@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Many thanks, and I have one last question:<div><br></div><div> Do you know a way one can automatically check a PDF file for this kind of overprinting?</div></div></blockquote><div><br></div><div>Not really (there was a font substitution warning in the latex run although they are not always things to worry about.</div><div><br></div><div>Note we have improved the default substitution here so mc will substitute (with a warning) to c and produce the condensed font without needing to change the package after the next latex release (next week, probably)</div><div><br></div><div><a href="https://github.com/latex3/latex2e/issues/453">https://github.com/latex3/latex2e/issues/453</a></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>This one was caught by an operator at the start of a 5 thousand run... because it worked fine for some 20 years and no one even checked it before sending it to the big press.</div><div><br></div><div>Paulo Ney</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Dec 9, 2020 at 11:48 PM David Carlisle <<a href="mailto:d.p.carlisle@gmail.com" target="_blank">d.p.carlisle@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 10 Dec 2020 at 03:29, Paulo Ney de Souza <<a href="mailto:pauloney@gmail.com" target="_blank">pauloney@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Awesome, thanks! David. That does solve the problem.<br><div><br></div><div>Is it possible/feasible to trace what other packages are in the same situation? </div></div></blockquote><div><br></div><div>yes I'll look, in fact any packages using problematic \fontseries or \DeclareFontShape were flagged with the package maintainers months before the release (and I think by now most got changed) I think this slipped through as it is using \usefont which we may have not searched for.</div><div><br></div><div>there are three instances in my texlive tree</div><div><br></div><div>$ pwd</div><div><br></div><div>/usr/local/texlive/2020/texmf-dist/tex</div><div><br></div><div>$ grep -r '\\usefont.*{m.}' <br></div><div><br></div><div>latex/ean13isbn/ean13isbn.sty: \def\zw@isbnfont{\usefont{OT1}{phv}{mc}{n}\fontsize{\zw@isbnfsize}{\zw@isbnfsize}\selectfont}}<br><br></div><div>latex/recipecard/recipecard.cls: \noindent\fontsize{14.4}{17} \usefont{T1}{pzc}{mb}{it}%</div><div><br></div><div>latex/songs/songs.sty: \usefont{OT1}{pzc}{mb}{it}%<br><br></div><div> </div><div>we will check if the other two cases are problematic.<br></div><br><div><br></div><div><br></div><div><br></div><div>David</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>Paulo Ney</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Dec 9, 2020 at 2:11 PM David Carlisle <<a href="mailto:d.p.carlisle@gmail.com" target="_blank">d.p.carlisle@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>In a local copy change line 91 from</div><div><br></div><div> \def\zw@isbnfont{\usefont{OT1}{phv}{mc}{n}\fontsize{\zw@isbnfsize}{\zw@isbnfsize}\selectfont}}</div><div><br></div><div>to <br></div><div><br></div><div> \def\zw@isbnfont{\usefont{OT1}{phv}{c}{n}\fontsize{\zw@isbnfsize}{\zw@isbnfsize}\selectfont}}</div><div><br></div><div>deleting the `m` the interpretation of mc has changed, normally it will manage to default to the right thing with a warning but here the condensed form needs c explicitly otherwise it falls back on the medium m and the letters are too wide.</div><div><br></div><div>David<br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 9 Dec 2020 at 19:36, Paulo Ney de Souza <<a href="mailto:pauloney@gmail.com" target="_blank">pauloney@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">The small file below, used to work fine<div><br></div><div>----<br><div>\documentclass{report}<br><br>\usepackage{ean13isbn}<br><br>\begin{document}<br>\EANisbn[ISBN=978-80-7340-097-2]<br>\end{document}<br></div><div>----</div><div><br></div><div>used to produce a fine bar-code (and numbers on top fine) in TL-18 and TL-19.... but in TL'20 one gets:</div><div><br></div><div><img src="cid:ii_kiht2hz00" alt="image.png" width="324" height="179"><br></div><div><br></div><div>with a strange error message:</div><div><br></div><div>(/usr/local/texlive/2020/texmf-dist/tex/latex/psnfss/ot1phv.fd)<br>LaTeX Font Warning: Font shape `OT1/phv/mc/n' undefined<br>(Font) using `OT1/phv/m/n' instead on input line 6.<br>LaTeX Font Warning: Some font shapes were not available, defaults substituted.<br></div><div><br></div><div>which is different from TL-18 and TL-19:</div><div><br></div><div>(/usr/local/texlive/2018/texmf-dist/tex/latex/psnfss/ot1phv.fd<br>File: ot1phv.fd 2001/06/04 scalable font definitions for OT1/phv.) [1]<br></div><div><br></div><div>Can anyone shed some light on what is going on?</div><div><br></div><div>Paulo Ney</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div></div>
</blockquote></div>
</blockquote></div>
</blockquote></div></div>
</blockquote></div>
</blockquote></div></div>