.test-1 { 
    content: "\20"; 
} /* Same as " " */
.test-2 { 
    content: "\E9"; 
} /* Same as "é" */
.test-3 { 
    content: "\0020"; 
} /* Same as " " */
.test-5 { 
    content: "\6C34"; 
} /* Same as "水" */
.test-6 { 
    content: "\00A5";
} /* Same as "¥" */
.test-7 { 
    content: '\a';
} /* Same as "\A" (Newline) */
.test-8 { 
    content: "\"\22"; 
} /* Same as "\"\"" */
.test-9 { 
    content: "\"\27"; 
} /* Same as ""\"\'"" */
.test-10 { 
    content: "";
} /* Same as \ */
.test-11 { 
    content: "\test";
} /* Same as "test" */
.test-4 { 
    content: "\1D11E" 
} /* Beyond the Basic Multilingual Plane */