[tex-k] incorrect explanation of <argument>s in Chapter 25 of The METAFONTbook

[Karl Berry]

    Here's a minor glitch in The METAFONTbook, which I assume you can defer
    until the next tuneup.

Indeed, Knuth has declared the 2021 tuneup over.

The complete set of Knuthian files from this update are now on CTAN
(https://ctan.org/pkg/knuth-dist and /knuth-local), and also
ftp://ftp.cs.stanford.edu:pub/tex/.

    Page C210, line -13 implies that the <argument>s in the syntaxes of
    Chapter 25 stand for "expr" arguments, but they actually stand for

Ok, I'll add this to the list. Thanks. -k