     "HELP:" "HEX:" "HOOK:"
     "IN:" "initial:" "INSTANCE:" "INTERSECTION:"
     "LIBRARY:"
-    "M:" "MACRO:" "MACRO::" "MAIN:" "MATH:" "MEMO:" "MEMO:" "METHOD:" "MIXIN:"
+    "M:" "M::" "MACRO:" "MACRO::" "MAIN:" "MATH:"
+    "MEMO:" "MEMO:" "METHOD:" "MIXIN:"
     "OCT:"
     "POSTPONE:" "PREDICATE:" "PRIMITIVE:" "PRIVATE>" "PROVIDE:"
     "QUALIFIED-WITH:" "QUALIFIED:"

  (format ":[^ ]* \\([^ ]+\\)\\(%s\\)*" fuel-syntax--stack-effect-regex))

(defconst fuel-syntax--defun-signature-regex
  (format "\\(%s\\|%s\\)" fuel-syntax--word-signature-regex "M[^:]*: [^ ]+ [^ ]+"))

(defconst fuel-syntax--constructor-decl-regex
  "\\_<C: +\\(\\w+\\) +\\(\\w+\\)\\( .*\\)?$")

                                           "C-ENUM" "C-STRUCT" "C-UNION"
                                           "FROM" "FUNCTION:"
                                           "INTERSECTION:"
                                           "M" "M:" "MACRO" "MACRO:"
                                           "MEMO" "MEMO:" "METHOD"
                                           "SYNTAX"
                                           "PREDICATE" "PRIMITIVE"
