unreachable intro to gcc page linked to on readings page

[Van Ly via Gcc]

Hello,

On the readings page

 . https://gcc.gnu.org/readings.html

a broken link points to

 An introduction to GCC by Brian J. Gough.
 . http://www.network-theory.co.uk/gcc/intro/

which has a copy at

 . 
https://web.archive.org/web/20060106062936/http://www.network-theory.co.uk/gcc/intro/

--
vl