[doc] Fix indentation issues.
--- a/doc/book/en/B4030-registry.en.txt Wed Dec 24 12:18:06 2008 -0800
+++ b/doc/book/en/B4030-registry.en.txt Wed Dec 24 12:36:57 2008 -0800
@@ -32,8 +32,10 @@
The following rules are applied to select an object given a register and an id and an input context:
* each object has a selector
+
- its selector may be derivated from a set of basic (or not :)
selectors using `chainall` or `chainfirst` combinators
+
* a selector return a score >= 0
* a score of 0 means the objects can't be applied to the input context
* the object with the greatest score is selected. If multiple objects have an