Remove unused 'backslash' parameter in Token.escapeSequences

Change-Id: I9216b3c0e29f3f43a62259a13f41ba22444a2eee

src/lang/Token.java

diff --git a/src/lang/Token.java b/src/lang/Token.java
index dd7286c..e2db545 100644
--- a/src/lang/Token.java
+++ b/src/lang/Token.java
@@ -269,7 +269,7 @@
 		c1 = quote;
 	    } 
 	    else if (c1 == '\\') {
-		rc = escapeSequences(c1, s, in);
+		rc = escapeSequences(s, in);
 		if (rc > 0)
 		    continue;
 		else
@@ -279,7 +279,7 @@
 	}
     }
 
-    public static int escapeSequences(int backslash, StringBuffer s, PushbackReader in)	
+    public static int escapeSequences(StringBuffer s, PushbackReader in)
 	throws IOException {
 
 	int c;