comit 2 master
commit1
commit 2
commit e
commit 4
Revert "commit 4"

This reverts commit 35a55ad9c745a8203f62de860678c1bec523c85d.
Merge branch 'Larga_duracion' of https://github.com/DavidAlonsoTubio/prmanual into Larga_duracion