diff --git a/misc/fuel/fuel-font-lock.el b/misc/fuel/fuel-font-lock.el
index 983e1bcb98..8d3990fcd8 100644
--- a/misc/fuel/fuel-font-lock.el
+++ b/misc/fuel/fuel-font-lock.el
@@ -126,6 +126,10 @@
     (,fuel-syntax--type-definition-regex 2 'factor-font-lock-type-name)
     (,fuel-syntax--method-definition-regex (1 'factor-font-lock-type-name)
                                            (2 'factor-font-lock-word))
+    (,fuel-syntax--before-definition-regex (1 'factor-font-lock-type-name)
+                                           (2 'factor-font-lock-word))
+    (,fuel-syntax--after-definition-regex  (1 'factor-font-lock-type-name)
+                                           (2 'factor-font-lock-word))
     (,fuel-syntax--tuple-decl-regex 2 'factor-font-lock-type-name)
     (,fuel-syntax--constructor-regex . 'factor-font-lock-constructor)
     (,fuel-syntax--setter-regex . 'factor-font-lock-setter-word)
diff --git a/misc/fuel/fuel-syntax.el b/misc/fuel/fuel-syntax.el
index 114355b3db..d13a670df4 100644
--- a/misc/fuel/fuel-syntax.el
+++ b/misc/fuel/fuel-syntax.el
@@ -44,8 +44,8 @@
 
 (defconst fuel-syntax--parsing-words
   '(":" "::" ";" "&:" "<<" "<PRIVATE" ">>"
-    "ABOUT:" "ALIAS:" "ALIEN:" "ARTICLE:"
-    "B" "BIN:"
+    "ABOUT:" "AFTER:" "ALIAS:" "ALIEN:" "ARTICLE:"
+    "B" "BEFORE:" "BIN:"
     "C:" "CALLBACK:" "C-ENUM:" "C-STRUCT:" "C-TYPE:" "C-UNION:" "CHAR:" "COM-INTERFACE:" "CONSTANT:" "call-next-method"
     "DEFER:"
     "EBNF:" ";EBNF" "ERROR:" "EXCLUDE:"
@@ -88,6 +88,12 @@
 (defconst fuel-syntax--method-definition-regex
   "^M::? +\\([^ ]+\\) +\\([^ ]+\\)")
 
+(defconst fuel-syntax--before-definition-regex
+  "^BEFORE: +\\([^ ]+\\) +\\([^ ]+\\)")
+
+(defconst fuel-syntax--after-definition-regex
+  "^AFTER: +\\([^ ]+\\) +\\([^ ]+\\)")
+
 (defconst fuel-syntax--integer-regex
   "\\_<-?[0-9]+\\_>")
 
@@ -157,6 +163,7 @@
   "\\_<CALLBACK: \\(\\w+\\) \\(\\w+\\)")
 
 (defconst fuel-syntax--indent-def-starts '("" ":"
+                                           "AFTER" "BEFORE"
                                            "C-ENUM" "C-STRUCT" "C-UNION" "COM-INTERFACE"
                                            "FROM" "FUNCTION:"
                                            "INTERSECTION:"