How about something akin to X-expressions as often found in Lisp/Scheme. For example, http://docs.plt-scheme.org/continue/index.html#(part._.Rendering_.H.T.M.

How about something akin to X-expressions as often found in Lisp/Scheme. For example, http://docs.plt-scheme.org/continue/index.html#(part._.Rendering_.H.T.M.L) http://docs.plt-scheme.org/continue/index.html#(part._.Rende...