From: Peter Hickman <peter@...>
Date: 2002-07-17T17:17:06+09:00
Subject: Re: TkText no -textvariable workaround?

Hal E. Fulton wrote:

>
>In older versions of FORTRAN, there was a simple way of
>doing just that -- I forget how it worked -- a COMMON
>block or something? You could have a stored "constant" 1
>and change it (say) to 2... upon which every 1 referenced
>as a constant in the program would be changed to a 2 
>internally (since the compiler pooled its constants). So
>a statement MYVAR = 1 would then assign the value 2 when
>it was executed... amazing language, FORTRAN. Usually when
>you're given enough rope to hang yourself, you gain 
>flexibility and power as a benefit. Not in this case!
>

The 'technique' was called the literal pool. It was a nightmare to debug 
especially with Fortran's overlayed variables.