GitLab

* doc/lispref/files.texi:
* doc/lispref/processes.texi:
* doc/misc/ediff.texi:
* lisp/simple.el:
* lisp/vc/ediff-ptch.el:
* src/buffer.c:
* src/dired.c:
* src/fileio.c:
* src/image.c:
* src/insdel.c:
* src/w32fns.c: Use "file name handler" consequently.