fix: paragraph lexing if it's only 1 char long

inline.fnl

@@ -72,7 +72,10 @@
            (table.insert lexed {:type "raw-text"
                                 :text (string.sub contents current (length contents))})
            (set current (length contents)))))) ; No decoration at all
-   lexed))
+   (if (> (length lexed) 0) ; If lexed is nil, the only case is we had a single \n paragraph?
+    lexed
+    [{:type "raw-text"
+       :text "\n"}])))
              ; ">" (let [(block new-end) ((. grammar :Spoiler) contents current)]
              ;      (table.insert lexed block)
              ;      (set current new-end))))

main.fnl

@@ -10,4 +10,3 @@
     (blocks.lexer blocks.grammar)
     (inline.inline-lexer inline.inline-grammar)
     (_G.pp))
-    ; (inline.contents-lexer inline.contents-grammar))