Add cchar for block end

Author: Timothée Poisot

syntax/pandoc.vim

@@ -42,6 +42,7 @@ if &encoding == "utf-8"
 		\"strike": "x̶", 
 		\"atx": "§",  
 		\"codelang": "λ",
+		\"codeend": "—",
 		\"abbrev": "→",
 		\"footnote": "†",
 		\"definition": " ",
@@ -58,6 +59,7 @@ else
 		\"strike": "~", 
 		\"atx": "#",  
 		\"codelang": "l",
+		\"codelang": "-",
 		\"abbrev": "a",
 		\"footnote": "f",
 		\"definition": " ",