[NTG-pdftex] letterspacefont and single-char commands

Robert w.m.l at gmx.net
Sat Jun 12 00:34:33 CEST 2021


Me again. While working on the previous report, I came across a strange
bug with \letterspacefont: If the first control sequence is a single
character, pdftex will abort with

!pdfTeX error: pdftex (file ???+100ls): Font ???+100ls at 600 not found

This does not happen with all fonts, e.g., in the following example,
cmr10 would be fine, as would be changing \y to \xy:

\font\x=cmr12
\letterspacefont\y\x 100
\y y
\bye

--
  Robert


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