restricted system commands enabled.
(./math-middle-spacing.tex [23.18985pt] [25.96756pt] [28.74527pt] [31.52298pt]
[38.74545pt] [32.23837pt] [27.63426pt] [27.07875pt] [32.23837pt] [27.07875pt]
[60.41188pt] [36.52307pt] [30.96765pt]
! OK (see the transcript file).
l.30 ...wboxdepth=10 \showboxbreadth=100 \showbox0
)
(see the transcript file for additional information)
No pages of output.
Transcript written on math-middle-spacing.log.