From Lua 5.2: Add goto and :🏷️: statements.

src/lj_lex.h

@@ -15,10 +15,11 @@
 /* Lua lexer tokens. */
 #define TKDEF(_, __) \
   _(and) _(break) _(do) _(else) _(elseif) _(end) _(false) \
-  _(for) _(function) _(if) _(in) _(local) _(nil) _(not) _(or) \
+  _(for) _(function) _(goto) _(if) _(in) _(local) _(nil) _(not) _(or) \
   _(repeat) _(return) _(then) _(true) _(until) _(while) \
   __(concat, ..) __(dots, ...) __(eq, ==) __(ge, >=) __(le, <=) __(ne, ~=) \
-  __(number, <number>) __(name, <name>) __(string, <string>) __(eof, <eof>)
+  __(label, ::) __(number, <number>) __(name, <name>) __(string, <string>) \
+  __(eof, <eof>)
 
 enum {
   TK_OFS = 256,