Call the text markup parser.

src/parser/text_markup.rs

@@ -0,0 +1,11 @@
+use super::Context;
+use crate::error::Res;
+use crate::parser::TextMarkup;
+
+#[tracing::instrument(ret, level = "debug")]
+pub fn text_markup<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, TextMarkup<'s>> {
+    todo!()
+}