FWEB_HDR_INCLUDES -- Colon-delimited list of directories for the
C preprocessor (in the form of gcc) to
search for #include header files. This is used in conjunction
with the -H option; see -H_. (One can append to this list
by means of the -I option, provided that option comes
after the -H; see -I_.)
FWEB_INCLUDES -- Colon-delimited list of directories to search for
@i include files. (One can append to this list by means of the
-I option, provided that option comes before any use of
-H; see -I_.)
FWEB_INI -- Name of the initialization file. If not defined, either
.fweb or fweb.ini is chosen, depending on the machine. The
initialization file always resides in $HOME.
FWEB_STYLE_DIR -- Directory in which the style file resides. If not
defined, the current directory is used.