X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=README.md;fp=README.md;h=1fbcef9872ce9f5ef0ae6bb642d8a501993f448b;hp=cb0340f2540de93d94f6afef24c206c1020d9c6e;hb=8c9e5c951d304529421c11e2a7b5bc2ca145b637;hpb=14bfd7f2bb19c802a5251d4d4289ecd77c8d24ed

diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -651,6 +651,13 @@ following two statements are equivalent
 If an option is set both in the environment and in the config file,
 the environment takes precedence.
 
+The `$gsu_config_file` variable can actually contain more than one
+filename, separated by spaces. The config files are processed in
+order, so that an option that is specified in the second config file
+overwrites the definition given in the first. This is useful for
+applications which implement a system-wide config file in addition
+to a per-user config file.
+
 ___Checking config options___
 
 The gsu config module defines two public functions for this purpose: