Prevent lots of veritical whitespace caused by empty rdoc nodes

Author: Sven Riedel

lib/bri/match/base.rb

@@ -8,7 +8,7 @@ def to_s
 
       private 
       def build_description( source )
-        source.map { |element| Bri::Renderer.render( element ) }
+        source.map { |element| Bri::Renderer.render( element ) }.compact
       end
     end
   end

lib/bri/renderer.rb

@@ -54,9 +54,14 @@ def self.render( element, width = Bri.width, alignment_width = 0 )
 
         else
           text = extract_text( element, width, alignment_width )
-          styled_text = replace_markup( text )
-          wrapped_text = wrap_to_width( styled_text, width )
-          indent( wrapped_text )
+
+          if text == "\n"
+            nil
+          else
+            styled_text = replace_markup( text )
+            wrapped_text = wrap_to_width( styled_text, width )
+            indent( wrapped_text )
+          end
       end
     end
 

spec/lib/bri/match/class_spec.rb

@@ -47,7 +47,7 @@
 
   describe "#description_paragraphs" do
     it "should be empty for an undocumented class" do
-      empty_class.description_paragraphs.should == [ '' ]
+      empty_class.description_paragraphs.should == []
     end
 
     it "should contain rendered text for a documented class" do