* doc/syntax/assignment.rdoc:  Improved links
	* doc/syntax/methods.rdoc:  ditto.

	* doc/syntax.rdoc:  Added link to assignment document


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e