> \meaning@=macro:
->\show.
\bm@mchar@test ...ing@ {#1}\show 8\show \meaning@
\ifx \meaning@ \bm@mchar@ ...
l.35 $\bm{\alpha}
$
! TeX capacity exceeded, sorry [input stack size=5000].
\bm@command ->
\XeTeXmathcharnum 16897788 \show \GenericWarning {\space \spac...
l.35 $\bm{\alpha}
$
108713 words of node memory still in use:
99 hlist, 15 vlist, 11 rule, 5 disc, 5 math, 90 glue, 40 kern, 38 penalty, 1
64 glyph, 154 attribute, 90 glue_spec, 93 attribute_list, 2 temp, 52450 if_stac
k, 1 write, 6 local_par, 2 dir nodes