I'm not sure I know what is a "railroad diagram" and don't have the Pascal book handy (hey, I don't learn every new language which comes along. :-)
Are there links to URLs which show/explain these things? -- --henry schaffer ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
