--- a/RelaxNG/publidoc.rnc	dim. juin 17 19:55:34 2012 +0200
+++ b/RelaxNG/publidoc.rnc	jeu. juin 21 02:45:51 2012 +0200
@@ -111,9 +111,10 @@
 topic = element topic { topic.attributes, topic.content }
 
 topic.attributes =
-   topic.id.attribute?
+   (topic.id.attribute | topic.xmlid.attribute)?
  & topic.type.attribute?
  & lang.attribute?
+topic.xmlid.attribute = attribute xml:id { xsd:ID }
 
 topic.content =
    component.head?,
@@ -322,6 +323,7 @@
 
 image.content =
    copyright?,
+   hotspot*,
    tooltip*
 
 # ~~~~~~ audio
@@ -338,6 +340,22 @@
 video.attributes =
    media.id.attribute
 
+# ~~~~~~ hotspot
+
+hotspot = element hotspot { hotspot.attributes, hotspot.content }
+
+hotspot.attributes =
+   x.attribute
+ & y.attribute
+ & (width.attribute & height.attribute)?
+x.attribute = attribute x { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
+y.attribute = attribute y { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
+width.attribute = attribute width { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
+height.attribute = attribute height { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
+
+hotspot.content =
+   (link | audio | video)
+   
 # ~~~~~~ tooltip
 
 tooltip = element tooltip { tooltip.attributes, tooltip.content }
@@ -347,13 +365,11 @@
  & y.attribute
  & dx.attribute?
  & dy.attribute?
-x.attribute = attribute x { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
-y.attribute = attribute y { xsd:token {pattern = "\d{1,2}(\.\d)?%"} }
 dx.attribute = attribute dx { xsd:token {pattern = "-?\d{1,2}(\.\d)?"} }
 dy.attribute = attribute dy { xsd:token {pattern = "-?\d{1,2}(\.\d)?"} }
 
 tooltip.content =
-   (p | image)+
+   (p+ | image)
    
 # ~~~~~~ media.caption
 media.caption = element caption { caption.attributes, caption.content }