Misc code cleanup.

src/buffer/node.rs

@@ -321,8 +321,6 @@ impl BufferNode {
             },
             
             BufferNodeData::Branch(ref left, ref right) => {
-                let lh = f.single_line_height();
-                
                 if rounding.0 == RoundingBehavior::Round {
                     // TODO
                     return 0;

src/term_ui/formatter.rs

@@ -58,7 +58,7 @@ impl<'a> LineFormatter for ConsoleLineFormatter {
             dim = (max(dim.0, pos.0), max(dim.1, pos.1 + width));
         }
         
-        dim.0 += 1;
+        dim.0 += self.single_line_height();
         
         return dim;
     }

src/term_ui/mod.rs

@@ -351,13 +351,10 @@ impl TermUI {
         
         for line in line_iter {
             let mut g_iter = editor.buffer.formatter.vis_grapheme_iter(line);
-            let mut last_y = 0;
             
             // Loop through the graphemes of the line and print them to
             // the screen.
             for (g, (pos_y, pos_x), width) in g_iter {
-                last_y = pos_y;
-                
                 // Calculate the cell coordinates at which to draw the grapheme
                 let px = pos_x as isize + screen_col - editor.view_pos.1 as isize;
                 let py = pos_y as isize + screen_line - editor.view_pos.0 as isize;