Track squeeze_byte correctly

src/lib.rs

@@ -284,7 +284,7 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
             squeezer: Squeezer::new(use_squeeze, 8 * panels as u64),
             display_offset: 0,
             panels,
-            squeeze_byte: 0xFF,
+            squeeze_byte: 0x00,
         }
     }
 
@@ -496,6 +496,10 @@ impl<'a, Writer: Write> Printer<'a, Writer> {
         self.squeezer.process(b, self.idx);
         let new_active = self.squeezer.active();
 
+        if new_active {
+            self.squeeze_byte = b;
+        }
+
         // the header should be the first thing printed
         if self.idx == 0 {
             self.print_header()?;