Edwin Environment Variables - MIT/GNU Scheme 7.7.90+
Description: MIT/GNU Scheme 7.7.90+

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#### 2.6.4 Environment Variables for Edwin

These environment variables are referred to by Edwin.

`EDWIN_BINARY_DIRECTORY` (default: `edwin/autoload` on the library path)
  Directory where Edwin expects to find files providing autoloaded facilities.
`EDWIN_INFO_DIRECTORY` (default: `edwin/info` on the library path)
  Directory where Edwin expects to find files for the `info' documentation subsystem.
`EDWIN_ETC_DIRECTORY` (default: `edwin/etc` on the library path)
  Directory where Edwin expects to find utility programs and documentation strings.
`ESHELL`
  Filename of the shell program to use in shell buffers. If not defined, the `SHELL` environment variable is used instead.
`SHELL` (default: `/bin/sh` (unix), `cmd.exe` (PC))
  Filename of the shell program to use in shell buffers and when executing shell commands. Used to initialize the `shell-path-name` editor variable.
`PATH`
  Used to initialize the `exec-path` editor variable, which is subsequently used for finding programs to be run as subprocesses.
`DISPLAY`
  Used when Edwin runs under unix and uses X11. Specifies the display on which Edwin will create windows.
`TERM`
  Used when Edwin runs under unix on a terminal. Terminal type.
`LINES` (default: auto-sense)
  Used when Edwin runs under unix on a terminal. Number of text lines on the screen, for systems that don't support ``TIOCGWINSZ`'.
`COLUMNS` (default: auto-sense)
  Used when Edwin runs under unix on a terminal. Number of text columns on the screen, for systems that don't support ``TIOCGWINSZ`'.