added regression test for PR 10000
updated lifting tests for new variable name convention
svn: r12994
original commit: b6312ff3ca2765dcb132f5e740803e2dcdd6edfa
* Another big chunk of v4-require-isms
* Allow `#lang framework/keybinding-lang' for keybinding files
* Move hierlist sources into "mrlib/hierlist", leave stub behind
svn: r10689
original commit: 7d50e61c7f6831936e13e6af5140db65db18fe1c