Dear reader, If you look an option, the options section does not tell you how to set it ( nor where ) at least this creates a searchable ref between the set ( which you cannot find looking for set because of the [t] ).
Index: docs/USD.doc/vi.man/vi.1 =================================================================== RCS file: /cvs/src/usr.bin/vi/docs/USD.doc/vi.man/vi.1,v retrieving revision 1.76 diff -u -p -r1.76 vi.1 --- docs/USD.doc/vi.man/vi.1 21 May 2019 09:24:58 -0000 1.76 +++ docs/USD.doc/vi.man/vi.1 3 Oct 2019 15:52:42 -0000 @@ -2089,7 +2089,9 @@ in a line, not just the first. .Op option? ... .Op Ar all .Xc -Display or set editor options. +Display or set editor +.Sx OPTIONS +. .Pp .It Cm sh Ns Op Cm ell Run a shell program. - - - BTW, on modern system RAM is plentiful while SSD are not always '/tmp' friendly. Using tmpfs for /tmp, <breaks> vi unless you create a proto with vi.recover subdir or create it on rc.local. maybe a mkdir /tmp/vi.recover.uid would make sense, or just a mktemp . Your call of course. Best.
