body
{
	/* hack to ignore the units for browsers that correctly parse the \9 as a part of the units?  */
	margin: 0 0 0 10px\9;
	
	/* the IE-hack of adding the \9 at the end also needs to work for percentages */
	width: 100%\9;
	
	/* variation of above -- because the four values need to be separated by a space character, the 
       escaped number needs to have TWO spaces after it because the first one will be considered part
       of the escape sequence */
	padding: 0 10px\9  0 0;
	
	/* same as above, but we shouldn't strip the dimension for zeros.
       and there will need to be two spaces preserved between the escape and the solid because we need
       a space to separate them, and there needs to be a space to terminate the escape. */
	border: 0\9  solid;
	
	/* the space should be escaped, since it's part of the property name but not a valid identifier character,
       and the space is part of the escape, since the "f" in "foo" is a valid hex character */
	\20 foo: "e\73 caped";
}

/* the first character of the class name is an escaped '{' character, which should remain escaped 
   because { is not a valid identifier character */
.\7bxxx 
{
	margin: 0;
}

/* an nmchar character of the class name is an escaped '{' character, which should remain escaped 
   because { is not a valid identifier character */
.xx\7bx 
{
	margin: 1;
}

/* first nmchar character */
x\7bxx 
{
	margin: 2;
}

/* last nmchar character */
xxx\7b 
{
	margin: 3;
}

/* nmstart and first nmchar character */
\7b\7bxxx 
{
	margin: 4;
}

/* nmstart and not-first nmchar character */
\7bxx\7bx 
{
	margin: 5;
}

/* two adjacent nmchar characters */
xx\7b\7bx 
{
	margin: 6;
}

/* two adjacent nmchar characters at the end */
xxx\7b\7b 
{
	margin: 7;
}

/* two adjacent nmchar characters at the beginning */
x\7b\7bxx 
{
	margin: 8;
}

/* only escaped characters */
\31\7b\20\23\21\26
{
	margin: 9;
}

/* need to keep the space because the following character is a valid hex digit */
xx\7b foo
{
	margin: 10;
}

/* the "i" and the "v" are escaped - normally evaluates as "div"
   the backslashes MUST not be escaped to \5c, but we should leave them
   in in case the dev intentionally wanted to escape them for some sort
   of browser-hack type of thing. */
d\i\v 
{
    font: 20pt Arial, Helvetica, Sans-serif;
}

/* the backslash in the identifier is escaped as hex -- it should remain so */
do\5cit
{
    color: blue;
}

/* a mix of the previous two, plus we need to keep the space after the \5c so
   it doesn't become \5cb */
how\now\5c brown\\cow
{
    color: red;
}