BUILT-IN WOLFRAM LANGUAGE SYMBOL
- An option setting of Null disables the field hint.
- The field hint cannot be selected and will disappear as soon as keyboard focus is moved into the input field.
- The default styling of field hints displays them in a lighter shade so they won't be confused with user input.
- The style of the field hint is determined by the option FieldHintStyle applied in addition to the input field's regular style.
Introduced in 2010