[Q] TFM files headers

[Didier Verna]

Hironobu Yamashita <h.y.acetaminophen at gmail.com> wrote:

> Some of TFM files you've listed are JFM (Japanese pTeX font metric),
> though they have .tfm not .jfm. All of the below are in JFM format. We
> Japanese use those files on a daily basis ;-)

  That could explain some things. How do you distinguish JFM from TFM
  without looking at the file extension (specifically for JFM files
  named .tfm)?

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