README: Add documentation of $gsu_options.

For some reason this public variable was mentioned in the list of
public variables, but the list item lacked the description.

diff --git a/README b/README
index 64db617d8a4c0cea48b6148ee486f538e72b36f9..c0bfe18914b2323cdbabf9fa380e27a4760eb5ff 100644 (file)
--- a/README
+++ b/README
@@ -693,7 +693,7 @@ List of public variables
   - *$gsu_config_file*. The name of the config file of the application.
   Defaults to `~/.${gsu_name}.rc'.
 
-  - *$gsu_options*.
+  - *$gsu_options*. Array of config options, used by the config module.
 
   - *$gsu_config_var_prefix*. Used by the config module to set up
   the variables defined in $gsu_options.