Resolve "Update the variable reference XCFunctional"

Description

Resolve "Update the variable reference XCFunctional"

News snippet

Resolve "Update the variable reference XCFunctional"

Checklist

• I have checked that my code follows the Octopus coding standards
• I have added tests for all the new features added in this request.

Closes #599 (closed)

changed milestone to %13.0

added Documentation External libraries labels

assigned to @martin.lueders

added 1 commit

• d3d484ee - updated libxc version in variable documentation

Compare with previous version

requested review from @nicolastd

marked this merge request as ready

approved this merge request

enabled an automatic merge when the pipeline for d3d484ee succeeds

merged

mentioned in commit 1e9554f8