fix API docu

Author: Horcrux7

src/com/inet/lib/less/LessLookAheadReader.java

@@ -292,9 +292,9 @@ boolean nextIsMixinParam( boolean isBlock ) {
     /**
      * Read a single character from reader or from back buffer
      * 
-     * @return a character or -1 if EOF
+     * @return a character
      * @throws LessException
-     *             If an I/O error occurs
+     *             If an I/O error occurs or EOF
      */
     char read() {
         try {

src/com/inet/lib/less/LessParser.java

@@ -1222,7 +1222,9 @@ private boolean comment( FormattableContainer container ) {
     /**
      * Read a single character from reader or from back buffer
      * 
-     * @return a character or -1 if EOF
+     * @return a character
+     * @throws LessException
+     *             If an I/O error occurs or EOF
      */
     private char read() {
         return reader.read();