.sy-error { font-weight: bold; background-color: #F00; color: #FFF }
.sy-todo { background-color: #FF0 }
+/* boolean alternate */
+.glyphs b { font-weight: normal; color: #800 }
+
/* hover effects */
.X:hover {cursor: help}
.X:hover > span {background: #FFF} /* whitespace marker */