String-Parameter

1. At least one SVAL() macro is required.

2. An SVAL() macro with an empty string is possible - for example, SVAL(,)

However, this will lead to issues when a zero-length string parameter is sent to the host.

3. The two arguments that are supplied to SVAL (arg1, arg2) are strings that can include the following special characters:

@ . ? * ; ! ~ # $ % ^ & - = + ` _ : { }