texmath-0.6.7: tests/writers/digit-monospace.tex
\mathrm{\mathtt{0}\ \mathtt{1}\ \mathtt{2}\ \mathtt{3}\ \mathtt{4}\ \mathtt{5}\ \mathtt{6}\ \mathtt{7}\ \mathtt{8}\ \mathtt{9}\ }\mathrm{\mathtt{0}\ \mathtt{1}\ \mathtt{2}\ \mathtt{3}\ \mathtt{4}\ \mathtt{5}\ \mathtt{6}\ \mathtt{7}\ \mathtt{8}\ \mathtt{9}\ }