Using terminating symbols for escaped strings to avoid borrowing from tools.reader
src/core: updated documentation
src/core: fixed escaping characters
Moved the general part of the docs to its own namespace
src/about: added reference to the original Scribble
src/types: fixed typehints in BodyToken
core_benchmark: fixed to run with the recent changes to the symbol reading
Refacsrc/reader: fixed indentation
src/settings: removed unused functions, added comments