[OS X TeX] Problem after TeXLive-2020 upgrade

Vinay K. Ingle vingle at ece.neu.edu
Thu Jul 9 12:28:09 EDT 2020

Thanks Richard. I reinstalled MacTex-2020 and then started the TLU. It then
updated 400+ packages, which completed successfully.
Now when I compile the old file, I do not get the previous error but it
reports errors in .png files, something like

Runaway argument?
"Fnl_s1a.png" \edef \Gin at ext {\Gin at sepdefault \filename at ext }\ifx \Gin at ext
./2020SM1_EECE3468_Final_Exam_solutions.ltx:74: Paragraph ended before
was complete.
<to be read again>

Again, this file used to compile correctly before.

Also, now the LaTeXit app does not work properly (no output but no errors


Vinay K. Ingle

Prof. Vinay K. Ingle                                 vingle at ece dot neu
dot edu
Electrical and Computer Engineering                Voice:  (617) 373-3008
304 Dana Research Center                                FAX:  (617) 373-8970
Northeastern University
360 Huntington Avenue
Boston, MA 02115-5000, USA

On Thu, Jul 9, 2020 at 10:50 AM Richard Koch <koch at math.uoregon.edu> wrote:

> Vinay,
> You say that you installed MacTeX-2020 just recently, and then you say
> that TeX Live Utility reported "no updates available". Actually, there
> would be LOTS AND LOTS of updates of a recent MacTeX-2020, namely all
> released between last April and today. In fact, just this morning there
> were many new updates.
> I suspect you did "check for updates" in TeX Live Utility, which is only a
> check if there is a new version of TeX Live Utility. Please read the
> instructions in the TeX Live Utility Help menu and do a real update of your
> TeX system.
> Richard Koch
> Hi Richard,
> Thanks for a quick reply. When I started TeX Live utility (version 1.36),
> it reported "No Updates Available". Also,
> kpsewhich pdftexcmds.sty
> returned nothing. However, when I looked into the
> /usr/local/texlive/2020/texmf-dist/tex/generic/pdftexcmds/
> directory, I noted two files: pdftexcmds.lua and pdftexcmds.sty. So the
> necessary file is in the distribution.
> Is there a problem with proper alias?
> Thanks again.
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