add a region marker as well

Author: KristofferC

src/Types.jl

@@ -78,6 +78,7 @@ function _render_inline_block(kind::Symbol, toml::String, newline::String, forma
         write(buf, line)
         write(buf, newline)
     end
+    emit("#region " * kind_str)
     emit("#!" * kind_str * " begin")
 
     if format === :multiline
@@ -105,6 +106,7 @@ function _render_inline_block(kind::Symbol, toml::String, newline::String, forma
     end
 
     emit("#!" * kind_str * " end")
+    emit("#endregion " * kind_str)
     return String(take!(buf))
 end