- starting to use tcl85 stack (when complied with TCL85STACK). Goal is to remove the own stack handling, when compiled with Tcl 8.5+ Introduced two frame types, FRAME_IS_XOTCL_METHOD and FRAME_IS_XOTCL_OBJECt - Currently, only self is resolved this way from the Tcl stack. - Currentlsy, just parts (e.g. testo.tcl) of the regression test work