Re: Is it necessary to reset or clear the global variables ?

[Fren Zeee]

On Nov 26, 5:41 pm, Fren Zeee <frenz...@gmail.com> wrote:
> On Nov 26, 5:39 pm, Fren Zeee <frenz...@gmail.com> wrote:
>
>
>
> > Friends,
>
> > I am trying to modify or improve an existing lisp function written by
> > myself a few years ago. I have observed that when I run it on the test
> > data after some modification, it appears to run because the global
> > variables have old value and some regular expression or result did not
> > produce a nil or did produce a nil which resulted in the failure of
> > the function to die or crash during execution.
>
> > A standard method is to reset all global variables.
>
> > As a newbie, I ask you to provide me with advice on what is a good
> > practice.
>
> > Franz Xe
>
> > P.S. Is the word persistence an accurate term to describe this
> > disease ?
>
> Basically, I discovered that I was being spoofed by previous values
> when I tried to break the function execution and it did not break,
> when I fed it the wrong data.

I should also add that setq is being used to set the global variables
from match-data and replace-regexp-in-string to extract parts from the
match-data using tagged regexps.