Merge pull request #600 from pks-t/pks/harden-svn-author-list

Harden retrieval of author list from Subversion

Author: ben

book/09-git-and-other-scms/sections/import-svn.asc

@@ -22,7 +22,7 @@ To get a list of the author names that SVN uses, you can run this:
 
 [source,console]
 ----
-$ svn log --xml | grep author | sort -u | \
+$ svn log --xml --quiet | grep author | sort -u | \
   perl -pe 's/.*>(.*?)<.*/$1 = /'
 ----