See texdoc's web page for general information about Texdoc, including its documentation and how to run the development version.
doc/
documentation;texdoc.cnf
default configuration file;script/*.tlu
Texdoc's code;script/*.lua
distributed data files, generated withtools/gen-datafiles
;tools/
helper scripts for maintainance and/or testing; some of them might run poperly only on my (mpg) machine.