Portions of XTimer are derived from the MacPPP source code, to Open and Close PPP connections. The source code for MacPPP is publicly available at Info-Mac sites across the Internet.
FreePPP/Open Transport compatibility guidelines derived from code examples in the PPP Interface libraries by Richard Buckle.
Thanks to James Walker for his Help screen code module: Show_help.
Modified in XTimer for modeless use and to save style information when creating a text copy.
Thanks to Paul Celestin for his PICTButton CDEF (control definition), used
to make the minimized "stoplight" version of the timer's buttons work.
Special Thanks
Everyone who uses this software owes a debt of gratitude to all of those who gave of their time and efforts in process of testing and debugging this software. Thank you testers!