Revert "rm android"

This reverts commit f5dbae96e807b3bdf5f1b43e50c209fec78c9d7a.
Revert "rm android"

This reverts commit 84f22579955bcab28ebf93fcc39af6b99dbc9384.
Revert "add fortran notes"

This reverts commit c540b1d4ebb70acfacc03a506faf30b22ce254ea.
Revert "change %s to \%\s"

This reverts commit 0bc12cd4a4d8ca38009863314248f4b1317239dc.
Revert "update emacs, del wrong part"

This reverts commit 0fc5c14497465bbc9418c1d16c56037d2f7842ed.
Revert "emacs python sas"

This reverts commit 273b133bf469e02c1795b4314ee84cf345a71c2b.
try to roll back, no idea what is going on
test