Escape special characters
Beware of common hacks
"blah". (A simple search for the text
'"'will return numerous examples of such errors.)
This is caused by overzealous escaping of special characters.
The ampersand character
'&', in particular, is doubly
special: it is both a special character, and forms part of the escape
mechanism itself, as in
If text containing any special character is escaped twice, then the above mentioned problem occurs. A simple example shows why:
"blah"(still renders as
"blah"). Note the doubly escaped ampersand.