Fix ignored shortcode swallowing whitespace

Fix #383

components/rendering/src/content.pest

@@ -54,7 +54,7 @@ ignored_sc_body_start = !{ "{%/*" ~ sc_def ~ "*/%}" }
 ignored_sc_body_end   = !{ "{%/*" ~ "end" ~ "*/%}" }
 
 shortcode_with_body         = !{ sc_body_start ~ text_in_body_sc ~ sc_body_end }
-ignored_shortcode_with_body = !{ ignored_sc_body_start ~ text_in_ignored_body_sc ~ ignored_sc_body_end }
+ignored_shortcode_with_body = { ignored_sc_body_start ~ text_in_ignored_body_sc ~ ignored_sc_body_end }
 
 text_in_body_sc         = ${ (!(sc_body_end) ~ any)+ }
 text_in_ignored_body_sc = ${ (!(ignored_sc_body_end) ~ any)+ }

components/rendering/src/shortcode.rs

@@ -310,6 +310,16 @@ Hello World
         assert_eq!(res, "\nHello World\n{% youtube() %}Some body {{ hello() }}{% end %}");
     }
 
+    // https://github.com/Keats/gutenberg/issues/383
+    #[test]
+    fn unignore_shortcode_with_body_does_not_swallow_initial_whitespace() {
+        let res = render_shortcodes(r#"
+Hello World
+{%/* youtube() */%}
+Some body {{ hello() }}{%/* end */%}"#, &Tera::default());
+        assert_eq!(res, "\nHello World\n{% youtube() %}\nSome body {{ hello() }}{% end %}");
+    }
+
     #[test]
     fn can_parse_shortcode_arguments() {
         let inputs = vec![