Add children to heading.

src/context/src_block.rs

@@ -12,10 +12,10 @@ use crate::intermediate::ISrcBlock;
 pub(crate) struct RenderSrcBlock {}
 
 impl RenderSrcBlock {
-    pub(crate) fn new<D: AsRef<Path>, F: AsRef<Path>>(
+    pub(crate) fn new(
         config: &Config,
-        output_directory: D,
-        output_file: F,
+        output_directory: &Path,
+        output_file: &Path,
         original: &ISrcBlock,
     ) -> Result<RenderSrcBlock, CustomError> {
         Ok(RenderSrcBlock {})