Index: trunk/styles/standard/elemstyles.xml
===================================================================
--- trunk/styles/standard/elemstyles.xml	(revision 787)
+++ trunk/styles/standard/elemstyles.xml	(revision 788)
@@ -3,4 +3,8 @@
 1. every rule starts with <rule> and ends with </rule>
 2. every rule needs a condition
+		-k for the key (required)
+		-v for the value as a string
+		-b for the values yes / no (boolean, will also understand true, 1 and false, 0 respectively)
+		(although the value flags v/b for the condition are optional, using at least one of them is highly recommended!)
 3. line attributes
 		- width absolute width in pixel in every zoom level
@@ -11,6 +15,9 @@
 5. icon attributes
 		- icon path to icon , relative from where this file is
+6. scale_min / scale_max - currently unused in JOSM
 
 Using both area and line attributes for the same key/value pair doesn't work!
+
+BEWARE: If a key/value pair matches more than one rule, the "rule that wins" is unpredicted!
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