The functions defined in the R files the study's ARD programs load (its
ARD definition's study key source) and in its programs/ard/functions/
(loaded or not), read – not run – with
tflspec::tfl_ard_function_info().
Value
A data frame, one row a function: name, file (relative to
the study folder), loaded, title, description, stat_names,
keywords (as company_ard_functions()).