tiny documentation improvement

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@6233 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/xbt/log.c b/src/xbt/log.c
index e173f29..834acb2 100644 (file)
--- a/src/xbt/log.c
+++ b/src/xbt/log.c
@@ -155,7 +155,8 @@ category can be created with any one of the following macros:
 The parent cat can be defined in the same file or in another file (in
 which case you want to use the \ref XBT_LOG_EXTERNAL_CATEGORY macro to make
 it visible in the current file), but each category may have only one
-definition.
+definition. Likewise, you can use a category defined in another file as 
+default one using \ref XBT_LOG_EXTERNAL_DEFAULT_CATEGORY
 
 Typically, there will be a Category for each module and sub-module, so you
 can independently control logging for each module.