tuned -- remaining rev_markup is rather short after filter;
tuned signature;
only one internal coinduction rule
more lightweight Rendering;
tuned signature -- avoid obscure default arguments;
more general / abstract Command.Markups, with separate index for status elements;
slightly faster Rendering.overview_color;
tuned signature;
tuned signature -- avoid redundancy and confusion of flags;
eliminated somewhat pointless elements index (see also f793dd5d84b2, 2b7fed8c9c4ac): less memory and more speed (avoid linear "exists" of 19dffae33cde);
more markup -- complete symbols within antiquotation, notably with broken arguments;
improved completion based on context information;
merged
more symbols;
dropped dead code
simultaneous mapping of strongly connected components
reduced ML warnings;
proper ML structure with signature;
tuned whitespace;
tuned names;
tuned;
more standard theory name;