my forest
1\xmlns:html{http://www.w3.org/1999/xhtml}
2
3\def\shiki/loadLanguages{c,javascript}
4\def\shiki/rootPath{/forest}
5
6\alloc\shiki/language
7\def\shiki[body]{
8\scope{
9\<html:shiki-block>[language]{\get\shiki/language}[load-languages]{\shiki/loadLanguages}[root-path]{\shiki/rootPath}{\body}
10}
11}