in src/main/java/org/apache/sling/api/request/ResponseUtil.java [66:80]
public void write(int c) throws IOException {
if(c == '&') {
target.write("&");
} else if(c == '<') {
target.write("<");
} else if(c == '>') {
target.write(">");
} else if(c == '"') {
target.write(""");
} else if(c == '\'') {
target.write("'");
} else {
target.write(c);
}
}