Add \? escape sequence
Add \? escape sequence

This sequence is needed in order to escape some sequences
that could be interpreted as trigraphs.

k0gaMSX/scc,k0gaMSX/kcc,8l/scc,k0gaMSX/kcc,k0gaMSX/scc,8l/scc,8l/scc,k0gaMSX/scc