Obsolete syntax was detected.

#2505   Compile-time warning

Obsolete syntax was detected.

Additional Information

The syntax 'X' is deprecated; use 'Y' instead.
'X' deprecated in this position; consider using 'Y' instead.
    where X is the form supported in older versions of the language, Y the recommended form.

Explanation

Obsolete forms of the language do not require white space in some areas where it is required in newer versions. Additionally, some older operator names have been replaced by newer forms. Deprecated syntax is subject to eventual removal from the language.