Matthias Clasen 8f71892862 Document "help" for extensions ...

Mention the special value "help" for the environment variables
that we document for picking extensions.

2019-01-22 13:18:50 -05:00

..

reference

Document "help" for extensions

2019-01-22 13:18:50 -05:00

debugging.txt

docs: Drop outdated timestamp and sign-off line

2019-01-15 15:11:43 +00:00

macros.txt

docs: Drop pointless leading whitespace

2019-01-15 15:11:43 +00:00