Log Message:
tex-texdoc{,-doc}: update to 2018.47946  (3.0)

This is a big update for Texdoc since 2012!
There are two big features in Texdoc 3.0.

1. New option parser

Now, you can specify multiple options like:

	$ texdoc -vsl foo

(this is equivalent to specifying "-v -s -l")

Please note that the behavior of the short option "-d" have
been changed. It *requires* an argument without "=", e.g.:

	$ texdoc -d score bar

(this is equivalent to specifying "--debug=score")

We added a new option "-D" as a short version of "--debug=all".
Please see the help text for more details.

2. Fuzzy search

When the normal search can't find any document in TeX Live,
Texdoc will execute fuzzy search on the list of package names
without user-interactions. The results of fuzzy search are
shown by "info" message.
(you can see that with the command line option "-v")

The default allowance of Levenshtein distance is 5.
You can change this default value by specifying "fuzzy_level"
in your texdoc.cnf:

	fuzzy_level = 3

If "fuzzy_level" set to 0, the feature will be disabled.

This update also contains several small bug fixes and improvements.

One more thing (IMPORTANT for distributors): from v3.0, we won't
include Data.tlpdb.lua (the pseudo cache file) in our repository.
If your distribution do not ship the tlpdb, you have to pre-generate
the pseudo cache file to make Texdoc workable.