<div dir="ltr"><div dir="ltr"><br><div>Well, you only have 1 file called "<span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:11px">biblatex.sty</span>" (as you can see by running "<span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:11px">locate /biblatex.sty</span>" with a slash).</div>
<div><br></div><div>In my case, I get</div><div><br></div><div>
<p class="gmail-p1" style="margin:0px;font:11px Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">$ locate biblatex.sty</span></p><p class="gmail-p1" style="margin:0px;font:11px Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/biblatex.sty</span><br></p><p class="gmail-p1" style="margin:0px;font:11px Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex-software/software-biblatex.sty</span></p><p class="gmail-p1" style="margin:0px;font:11px Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">/usr/local/texlive/2020/texmf-dist/tex/latex/lwarp/lwarp-biblatex.sty</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)">
</p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">/usr/local/texlive/2020/texmf-dist/tex/latex/udesoftec/udesoftec-biblatex.sty</span></p></div>
</div><div><br></div>so I think the <span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:11px">*-biblatex.sty</span> files are OK.<div><br></div><div>However, it seems you have 2 instances of TeX Live (one from MacTeX and one from MacPorts).</div><div>Do you need both of them?</div><div>If yes, is the MacPorts one up to date?</div><div><br></div><div>Guillermo</div><div><br></div><div>desoftec-biblatex.sty <br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 18 Feb 2021 at 23:08, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com">murrayeisenberg@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 style="overflow-wrap: break-word;">Aha! <div><br></div><div>[~] locate biblatex.sty<br><div><br></div><div><div>/opt/local/share/texmf-texlive/tex/latex/lwarp/lwarp-biblatex.sty</div><div>/opt/local/share/texmf-texlive/tex/latex/udesoftec/udesoftec-biblatex.sty</div><div>/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/biblatex.sty</div><div>/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex-software/software-biblatex.sty</div><div>/usr/local/texlive/2020/texmf-dist/tex/latex/lwarp/lwarp-biblatex.sty</div><div>/usr/local/texlive/2020/texmf-dist/tex/latex/udesoftec/udesoftec-biblatex.sty</div><div><br></div><div>So perhaps I need to adjust my $PATH. Questions, then:</div><div><br></div><div>(1) Is that shell variable $PATH read when latex processes a .tex file by means of the TeXShop typesetting command?</div><div><br></div><div>(2) If so, what would I put first on the $PATH: just /usr/local/texlive/2020 ?</div><div><br><blockquote type="cite"><div>On 18 Feb2021, at 4:43 PM, G. M.-S. <<a href="mailto:lists.gms@gmail.com" target="_blank">lists.gms@gmail.com</a>> wrote:</div><br><div><div dir="ltr"><div dir="ltr"><br><div>Hello.</div><div><br></div><div>Perhaps you can open Terminal and look at the output of</div><div><br></div><div><div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">locate biblatex.sty</span></div></div></div><div><br></div><div>to see if there are other files with the same name somewhere.</div><div><br></div><div>(If the database does not yet exist, this command will tell you how to create it.)</div><div><br></div><div>HTH,</div><div><br></div><div>Guillermo</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 18 Feb 2021 at 22:34, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@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><div>I just used TLU to reinstall biblatex. But still the same error! From the log:</div><div><br></div><div><br></div><div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: Trying to load language 'english' -> 'mylanguagestrings'</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">...</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: ... file 'mylanguagestrings.lbx' found.</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo;min-height:14px"><br></div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">(/Users/murray/Library/texmf/tex/latex/biblatex/lbx/mylanguagestrings.lbx</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">File: mylanguagestrings.lbx </div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: Trying to load language 'english'...</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: ... file 'english.lbx' found.</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo;min-height:14px"><br></div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">(/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">File: english.lbx 2020/08/23 v3.15a biblatex localization (PK/MW)</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">)</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: Trying to load language 'english'...</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">Package biblatex Info: ... file 'english.lbx' found.</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo;min-height:14px"><br></div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">(/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">File: english.lbx 2020/08/23 v3.15a biblatex localization (PK/MW)</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo;min-height:14px"><br></div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo;min-height:14px"><br></div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx:571: Pack</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo">age xkeyval Error: `langbasque' undefined in families `blx@lbx’.</div><div style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:Menlo"><br></div><blockquote type="cite"><div>On 18 Feb2021, at 3:35 PM, Herbert Schulz <<a href="mailto:herbs@wideopenwest.com" target="_blank">herbs@wideopenwest.com</a>> wrote:</div><br><div><div><br><br><blockquote type="cite">On Feb 18, 2021, at 1:44 PM, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@gmail.com</a>> wrote:<br><br><blockquote type="cite"><br>On 18 Feb2021, at 1:24 PM, Herbert Schulz <<a href="mailto:herbs@wideopenwest.com" target="_blank">herbs@wideopenwest.com</a>> wrote:<br><br><br><blockquote type="cite">On Feb 18, 2021, at 11:37 AM, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@gmail.com</a>> wrote:<br><br>/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx:571: Pack<br>age xkeyval Error: `langbasque' undefined in families `blx@lbx'.<br></blockquote><br>Howdy,<br><br>Hmmm... in /usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx I see a definition of langbasque on line 473; line 571 is the end of that structure list. Are you up to date?<br><br><blockquote type="cite"><br>And in /Library/texmf/tex/latex/biblatex/lbx I have the referenced file mylanguagestrings.lbx which includes the following:<br><br></blockquote><br>From the information given I assume there is a missing ~ in front of /Library/texmf/tex/latex/biblatex/lbx.<br><br>Sorry I can't be more helpful.<br><br></blockquote><br>According to answer <a href="https://tex.stackexchange.com/a/583988/13492" target="_blank">https://tex.stackexchange.com/a/583988/13492</a>, the issue is my biblatex installation not being up to date. But:<br><br><span style="white-space:pre-wrap"> </span>- I have run the TexLive Utility to keep everything up to date;<br><br><span style="white-space:pre-wrap"> </span>- kpsewhich biblatex.sty leads me to the file version 3.16 dated 2020/12/31, yet …<br><br><span style="white-space:pre-wrap"> </span>- in the log (from a file listing) I see: biblatex.sty 2020/08/23 v3.15a programmable bibliographies (PK/MW)<br><br>So I don’t know what to do to force use of biblatex 3.16.<br><br>Yes, I unintentionally elided the ~ in the path to my mylanguagestrings.lbx .<br><br>---<br>Murray Eisenberg<span style="white-space:pre-wrap"> </span><span style="white-space:pre-wrap"> </span><span style="white-space:pre-wrap"> </span><a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@gmail.com</a><br>503 King Farm Blvd #101<span style="white-space:pre-wrap"> </span><br>Rockville, MD 20850-6667<span style="white-space:pre-wrap"> </span>Mobile (413)-427-5334<br></blockquote><br>Howdy,<br><br>I believe that the log file gives the full path to biblatex.sty at the point where it's being loaded; e.g., for a sample file I see<br><br>...<br>(/usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/biblatex.sty<br>Package: biblatex 2020/12/31 v3.16 programmable bibliographies (PK/MW)<br>...<br><br>Are you sure you're using TeX Live 2020?<br><br>You could use TLU to force a re-install of biblatex if really needed.<br><br>Good Luck,<br><br>Herb Schulz<br><a href="mailto:herbs@wideopenwest.com" target="_blank">herbs@wideopenwest.com</a><br><br><br></div></div></blockquote></div><br><div>
<div style="letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">---<br>Murray Eisenberg<span style="white-space:pre-wrap"> </span><a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@gmail.com</a><br>503 King Farm Blvd #101<span style="white-space:pre-wrap"> </span><br>Rockville, MD 20850-6667<span style="white-space:pre-wrap"> </span>Mobile (413)-427-5334<br><br></div>
</div>
<br></div>----------- Please Consult the Following Before Posting -----------<br>
TeX FAQ: <a href="http://www.tex.ac.uk/faq" rel="noreferrer" target="_blank">http://www.tex.ac.uk/faq</a><br>
List Reminders and Etiquette: <a href="https://sites.esm.psu.edu/~gray/tex/" rel="noreferrer" target="_blank">https://sites.esm.psu.edu/~gray/tex/</a><br>
List Archives: <a href="http://dir.gmane.org/gmane.comp.tex.macosx" rel="noreferrer" target="_blank">http://dir.gmane.org/gmane.comp.tex.macosx</a><br>
<a href="https://email.esm.psu.edu/pipermail/macosx-tex/" rel="noreferrer" target="_blank">https://email.esm.psu.edu/pipermail/macosx-tex/</a><br>
TeX on Mac OS X Website: <a href="http://mactex-wiki.tug.org/" rel="noreferrer" target="_blank">http://mactex-wiki.tug.org/</a><br>
List Info: <a href="https://email.esm.psu.edu/mailman/listinfo/macosx-tex" rel="noreferrer" target="_blank">https://email.esm.psu.edu/mailman/listinfo/macosx-tex</a><br>
</blockquote></div></div>
</div></blockquote></div><br><div>
<div style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">---<br>Murray Eisenberg<span style="white-space:pre-wrap"> </span><a href="mailto:murrayeisenberg@gmail.com" target="_blank">murrayeisenberg@gmail.com</a><br>503 King Farm Blvd #101<span style="white-space:pre-wrap"> </span><br>Rockville, MD 20850-6667<span style="white-space:pre-wrap"> </span>Mobile (413)-427-5334<br><br></div>
</div>
<br></div></div></div></blockquote></div></div></div>