Extract extracts the elvdoc of one module from an Elvish source.

ExtractAllFromFS extracts elvdocs of all modules found under fsys, and returns a map from the symbol prefix of a module ("" for builtin, "$mod:" for any other $mod).

ExtractFromFS extracts elvdoc of a module from fsys.

HighlightCodeBlock highlights a code block from Markdown.

Docs records doc comments.

Entry stores the elvdoc for a particular symbol.

FileEntry stores the file-level elvdoc.

Fn stores fn-specific information.