Index: misc/grammalecte.sublime-syntax
==================================================================
--- misc/grammalecte.sublime-syntax
+++ misc/grammalecte.sublime-syntax
@@ -28,15 +28,18 @@
 
     # Bookmarks
     - match: '^GRAPH_NAME:.*'
       scope: bookmark
 
-      # Bookmarks
-    - match: '^@@@@GRAPH: *(\w+)@@@@ *'
-      scope: bookmark
+    # Graph
+    - match: '^@@@@GRAPH: *(\w+) *'
+      scope: graphline
       captures:
         1: string.graphname
+
+    - match: '^@@@@(?:END_GRAPH *| *)'
+      scope: graphline
 
     # Keywords are if, else.
     # Note that blackslashes don't need to be escaped within single quoted
     # strings in YAML. When using single quoted strings, only single quotes
     # need to be escaped: this is done by using two single quotes next to each

Index: misc/grammalecte.tmTheme
==================================================================
--- misc/grammalecte.tmTheme
+++ misc/grammalecte.tmTheme
@@ -66,10 +66,25 @@
 				<string>#A0F0FF</string>
 				<key>background</key>
 				<string>#0050A0</string>
 			</dict>
 		</dict>
+		<dict>
+			<key>name</key>
+			<string>Graphline</string>
+			<key>scope</key>
+			<string>graphline</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>hsl(0, 100%, 80%)</string>
+				<key>background</key>
+				<string>hsl(0, 100%, 20%</string>
+				<key>fontStyle</key>
+				<string>bold</string>
+			</dict>
+		</dict>
 		<dict>
 			<key>name</key>
 			<string>String</string>
 			<key>scope</key>
 			<string>string</string>