cd "${_DATA}/pages${page}" || cd "${_DATA}/pages/"
git -C "${_DATA}" show "${rev}:pages${PATH_INFO}#page.md" \
| { printf '<article class="revision">'; md; printf '</article>'; } \
cd "${_DATA}/pages${page}" || cd "${_DATA}/pages/"
git -C "${_DATA}" show "${rev}:pages${PATH_INFO}#page.md" \
| { printf '<article class="revision">'; md; printf '</article>'; } \