Prompt the user to Save/Abandon/Continue
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 Syntax

        H_SaveAbandon()

 Arguments:

      None

 Returns:

      1 - User selected Save     - SA_SAVE
      2 - User selected Abandon  - SA_ABANDON
      3 - User selected Continue - SA_CONTINUE

 Description:

      This function pops up a menu over the current screen, and asks the
      user if they wish to Save/Abandon/Continue.  The code selected by the
      user is returned.  There is no default - the user must make a
      selection.

 Examples:



 Header File: H_LIB52.CH

 Source: SAVEABAN.PRG

 Author:  Martin Colloby