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# Environment variables

Some environment variables can be used:

- XCORAL_SMACLIB is used to define the SmacLib PATH directory.
- XCORALRC is used to define a full pathname of the configuration file .xcoralrc.
- XCORAL_VISIT_RAISE is used in browser to raise or not the visit window during a select operation. Default is True.
- XCORAL_PARSE_PATH is used by the browser to parse the specified directories at start-up (the separator must be ':' ). These directories will be parsed recursively.
- XCORAL_MODIF_COLOR is a string colorname used to display the 'S' letter when the buffer has been modified. Default color is red.
- XCORAL_SAVE_COLOR is a string colorname used to display the 'S' letter when the buffer has been saved. No default color.
- XCORAL_SHELL is used to define a shell pathname used in a shell window (see shell mode).
- XCORAL_AUTO_HIGHLIGHT is used to automatically highlight key words when a file is loaded from Xcoral.
- XCORAL_SELECTION is a string colorname used as background color of a selection (default gray).