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+% original texmf.cnf -- runtime path configuration file for kpathsea.
+% Public domain.
+% 
+% If you modify this original file, YOUR CHANGES WILL BE LOST when it is
+% updated.  Instead, put your changes -- and only your changes, not an
+% entire copy! -- in ../../texmf.cnf.  That is, if this file is
+% installed in /some/path/to/texlive/2020/texmf-dist/web2c/texmf.cnf,
+% add your custom settings to /some/path/to/texlive/2020/texmf.cnf.
+% (Below, we use YYYY in place of the specific year.)
+% 
+% What follows is a super-summary of what this .cnf file can
+% contain. Please read the Kpathsea manual for more information.
+%
+% Each statement in this file boils down to:
+%   <variable>[.<program>] [=] <value>
+%
+% Neither the <variable> nor the <value> may be empty.
+% Any identifier (sticking to A-Za-z_ for names is safest) can be assigned.
+% The `=' (and surrounding spaces) is optional.
+% $foo (or ${foo}) in a value expands to the envvar or cnf value of foo.
+% Lines can be continued with a \; no whitespace removal is done.
+%
+% Earlier entries (in the same or another file) override later ones, and
+% an environment variable foo overrides any texmf.cnf definition of foo.
+%
+% All definitions are read before anything is expanded, so you can use
+% variables before they are defined.
+%
+% If a variable assignment is qualified with `.PROGRAM', it is ignored
+% unless the current executable (last filename component of argv[0]) is
+% named PROGRAM.  This foo.PROGRAM construct is not recognized on the
+% right-hand side. For environment variables, use FOO_PROGRAM.
+%
+% Which file formats use which paths for searches is described in the
+% various programs' and the Kpathsea documentation (http://tug.org/kpathsea).
+%
+% // means to search subdirectories (recursively).
+% A leading !! means to look only in the ls-R db, never on the disk.
+% In this file, either ; or : can be used to separate path components.
+% A leading/trailing/doubled path separator in the paths will be
+%   expanded into the compile-time default. Probably not what you want.
+%
+% Brace notation is supported, for example: /usr/local/{mytex,othertex}
+% expands to /usr/local/mytex:/usr/local/othertex.