[tex-k] unbalanced write

[Hironobu Yamashita]

Hi - the problem reported in 2011
https://groups.google.com/g/comp.text.tex/c/SEHJUKtksU8
still exists.

\def\test#1{\meaning}\write-1{\expandafter\test\string}\bye

* ok: tex, aleph, luatex, hitex
=> Stops with error ! Unbalanced write command.

* bad: pdftex, xetex, eptex, euptex
=> Segmentation fault: 11

Hironobu