Issue on page /chapter1/fundamentals_code.html

[OsbertWang]

In the subsection Forming and solving the linear system, the link PETSc-documentation is missing, i.e., the page says 404 error! The page you're looking for could not be found!.

[jorgensd]

Seems like it has been moved to https://ftp.mcs.anl.gov/pub/pdetools/nightlylogs/xsdk/xsdk-configuration-tester/packages/petsc/src/docs/website/documentation/linearsolvertable.html