tree cba77803cbc9846d1af46b931ea2b8b93b466e50
parent d87c357abe0cb397a958cbcae9e4de9227070d95
author Benno Schulenberg <bensberg@justemail.net> 1465383406 +0200
committer Benno Schulenberg <bensberg@justemail.net> 1465385478 +0200

files: free all the multidata when a file is saved, then recompute it

This fixes https://savannah.gnu.org/bugs/?48103.

(The fix is wasteful -- it should only discard the multidata if actually
the name *did* change, *and* if the applicable syntax changed.)