Fix alignment.

package.json

 {
 	"name": "TL-Verilog",
 	"description": "TL-Verilog support for VS Code",
-	"version": "0.1.0",
+	"version": "0.2.0",
 	"publisher": "bogatov",
 	"repository": {
 		"type": "git",

syntaxes/tlverilog.tmLanguage

@@ -47,7 +47,7 @@ PUBLIC '-//Apple//DTD PLIST 1.0//EN'
 			<dict>
 				<!-- Behavioral hierarchy: >start -->
 				<key>match</key>
-				<string>>([a-zA-Z0-9_]+)</string>
+				<string>>([a-zA-Z][a-zA-Z0-9_]+)</string>
 				<key>name</key>
 				<string>entity.name.hierarchy.tlverilog</string>
 			</dict>
@@ -69,6 +69,7 @@ PUBLIC '-//Apple//DTD PLIST 1.0//EN'
 			</dict>
 
 			<dict>
+				<!-- System signal: $sig1 -->
 				<key>match</key>
 				<string>\$\b([a-zA-Z_][a-zA-Z0-9_]+)\b</string>
 				<key>name</key>
@@ -79,7 +80,7 @@ PUBLIC '-//Apple//DTD PLIST 1.0//EN'
 				<key>match</key>
 				<string>%([+-]\d+|\w+)</string>
 				<key>name</key>
-				<string>support.other.tlverilog</string>
+				<string>entity.name.alignment.tlverilog</string>
 			</dict>
 
 			<dict>
@@ -103,6 +104,20 @@ PUBLIC '-//Apple//DTD PLIST 1.0//EN'
 				<string>variable.sv.tlverilog</string>
 			</dict>
 
+			<dict>
+				<key>match</key>
+				<string>\#\b([a-zA-Z_][a-zA-Z0-9_]+)\b</string>
+				<key>name</key>
+				<string>constant.other.tlverilog</string>
+			</dict>
+
+			<dict>
+				<key>match</key>
+				<string>(<<|<>|>>-?)[a-zA-Z0-9_]+</string>
+				<key>name</key>
+				<string>entity.name.alignment.tlverilog</string>
+			</dict>
+
 			<dict>
 				<key>match</key>
 				<string>\b(#|@|begin|end|fork|join|join_any|join_none|forkjoin|{|})\b</string>

themes/tlverilog-color-theme.json

@@ -49,7 +49,7 @@
 		},
 		{
 			"name": "Alignment",
-			"scope": "support.other.tlverilog",
+			"scope": "entity.name.alignment.tlverilog",
 			"settings": {
 				"foreground": "#5BCC6B"
 			}
@@ -99,6 +99,13 @@
 				"foreground": "#f04000"
 			}
 		},
+		{
+			"name": "Constants",
+			"scope": "constant.other.tlverilog",
+			"settings": {
+				"foreground": "#274659"
+			}
+		},
 		{
 			"name": "Keywords 1",
 			"scope": "keyword.control.tlverilog",