Summary
- added command "purge_theories"; proper documentation: command "use_theories" is asynchronous;
- clarified signature -- eliminated somewhat pointless positions;
- clarified signature -- more like use_theories;
- clarified;
- removed somewhat pointless argument;
- support for purge_theories;
- clarified signature;
- tuned;
- more robust timing info: do not rely on order of markup;
- clarified signature;
- field "kind" is always present, with default "writeln";
- merged
- eliminated "elems"
- NEWS and CONTRIBUTORS