centralized management of Stratego contexts
map contexts to initializers
fix off-by-one, again
pack-sdf requires fresh context each time
reuse strj context
dont need to reset interp
avoid caching for failed str compilations
factor out syntax for sugar decls
import factored out sugar syntax
refactor to improve performance
use sugar syntax in haskell and prolog
rm leg garbage
parse as far as possible
retrieve rest of input
topleveldeclaration is start symbol now
adapt start symbol
mark TODO
pass on exception
avoid recreation of tree
link against latest version of layout-parsing