Log Message:
tex-etoc{,-doc}: update to 1.09f

Maintenance release with documentation improvements and addition of
\etocimmediatedepthtag.toc as well as some other "immediate" variants of
macros writing to the .toc file.  Refer to README.md for details.

The German language documentation was without updates since April 2015 and
had become obsolete in various ways.  It is not distributed anymore.