Am 20.06.2025 um 15:18 schrieb John Was:
> Dear Wolfgang
>
> The hyphenation exceptions look much more complicated than my simple
> file - but at any rate it can't be that that's causing all this
> processing time.
>
> Here is the result of the mtxrun command you sent:
>
> identifier                   familyname         fontname                 
>   filename                                        subfont   instances
>
> baskervillemtprobold         baskervillemtpro   baskervillemtprobold     
>   c:/windows/fonts/BaskervilleMTPro-Bold.otf
> baskervillemtproboldit       baskervillemtpro   baskervillemtproboldit   
>   c:/windows/fonts/BaskervilleMTPro-BoldIt.otf
> baskervillemtprobolditalic   baskervillemtpro   baskervillemtproboldit   
>   c:/windows/fonts/BaskervilleMTPro-BoldIt.otf
> baskervillemtproitalic       baskervillemtpro   baskervillemtproitalic   
>   c:/windows/fonts/BaskervilleMTPro-Italic.otf
> baskervillemtpronormal       baskervillemtpro   baskervillemtproregular
>    c:/windows/fonts/BaskervilleMTPro-Regular.otf
> baskervillemtproregular      baskervillemtpro   baskervillemtproregular
>    c:/windows/fonts/BaskervilleMTPro-Regular.otf
>
> I don't think that ConTexT is repeatedly searching for Baskerville in
> particular (though after just a few days I can't claim any expertise in
> reading ConTexT log files).  But it does seem to want to survey the
> entire database of fonts, whether or not I need them.
>
> I don't know if it would help to call a font specifically from its file
> location, which I have occasionally had to do for exotic sorts that are
> rarely required, e.g. (from my days of typesetting the /Medieval Latin
> Dictionary from British Sources/), in XeTeX style:
>
> \font\mldrten="[D:/BACKUPS/FONTBKUP/MLD/MLD-Regular.ttf]" at 10pt

Does it make a differenece if you typeset a simple document with the
baskerville fonts

\starttext
\definedfont[file:BaskervilleMTPro-Regular.otf*default]
Hello \CONTEXT!
\stoptext

or the default latin modern fonts?

\starttext
Hello \CONTEXT!
\stoptext

Wolfgang

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