const text/template/parse.ParseComments
2 uses
text/template/parse (current package)
parse.go#L41: ParseComments Mode = 1 << iota // parse comments and add them to AST
parse.go#L246: emitComment := t.Mode&ParseComments != 0
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)