fix(renderer): Fixed a bug leading to extmarks on the current line no…

…t being removed

The current line will also be cleared(after clearing everything else)
now.

ftplugin/markdown.lua

@@ -216,6 +216,7 @@ vim.api.nvim_create_autocmd(events, {
 
 			markview.renderer.clear_content_range(event.buf, partial_contents)
 			markview.renderer.clear_content_range(event.buf, prev_contents);
+			markview.renderer.clear(event.buf, parse_start, parse_stop);
 
 			markview.renderer.render_in_range(event.buf, prev_contents, markview.configuration);
 			markview.renderer.update_range(event.buf, current_range);

lua/markview/renderer.lua

@@ -1576,8 +1576,8 @@ renderer.render = function (buffer, parsed_content, config_table, conceal_start,
 	end
 end
 
-renderer.clear = function (buffer)
-	vim.api.nvim_buf_clear_namespace(buffer, renderer.namespace, 0, -1)
+renderer.clear = function (buffer, from, to)
+	vim.api.nvim_buf_clear_namespace(buffer, renderer.namespace, from or 0, to or -1)
 end
 
 renderer.update_range = function (buffer, new_range)