Sort properties in same order as documentation for easier reference. Add some comments. There are no intended changes to the substance.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@196544 13f79535-47bb-0310-9956-ffa450edef68

checkstyle.cfg

@@ -1,10 +1,36 @@
-checkstyle.allow.tabs = no
-checkstyle.tab.width = 4
+# $Id$
+
+# Checkstyle configuration for the Apache FOP project.
+# See http://xml.apache.org/fop for information about FOP.
+# The entries here are sorted in the order of the Checkstyle 2.4 documentation
+# for easier reference.
+
+# Javadoc Comments
+checkstyle.javadoc.scope = protected
 checkstyle.allow.noauthor = yes
+
+# Naming Conventions
+
+# Headers
+checkstyle.header.file = checkstyle.header
+checkstyle.header.regexp = yes
+
+# Imports
+
+# Size Violations
 checkstyle.maxlinelen = 100
-checkstyle.javadoc.scope = protected
+checkstyle.tab.width = 4
 checkstyle.ignore.importlength = yes
+
+# Whitespace
+checkstyle.allow.tabs = no
 checkstyle.ignore.whitespace.cast = yes
+
+# Modifiers
 checkstyle.allow.protected = yes
-checkstyle.header.file = checkstyle.header
-checkstyle.header.regexp = yes
+
+# Blocks
+
+# Miscellaneous Checks
+
+# Last Line of $RCSFile$