Use SimpleFigure in Textile writer.

Author: argent0

src/Text/Pandoc/Writers/Textile.hs

@@ -111,8 +111,7 @@ blockToTextile opts (Div attr bs) = do
 blockToTextile opts (Plain inlines) =
   inlineListToTextile opts inlines
 
--- title beginning with fig: indicates that the image is a figure
-blockToTextile opts (Para [Image attr txt (src,T.stripPrefix "fig:" -> Just tit)]) = do
+blockToTextile opts (SimpleFigure attr txt src tit) = do
   capt <- blockToTextile opts (Para txt)
   im <- inlineToTextile opts (Image attr txt (src,tit))
   return $ im <> "\n" <> capt