When I try to enable it (:filetype plugin indent on) I get (partial listing):
line 2955:
E319: Sorry, the command is not available in this version: return output
line 2956:
E319: Sorry, the command is not available in this version: endfunc
line 2959:
E319: Sorry, the command is not available in this version: let &cpo = s:cpo_save
line 2960:
E319: Sorry, the command is not available in this version: unlet s:cpo_save
Error detected while processing /usr/share/vim/vim91/ftplugin.vim:
line 12:
E486: Pattern not found: did_load_ftplugin = 1
line 23:
E319: Sorry, the command is not available in this version: def LoadFTPlugin()
line 30:
E319: Sorry, the command is not available in this version: var s = expand("<amatch>")
line 44:
E319: Sorry, the command is not available in this version: enddef
Error detected while processing /usr/share/vim/vim91/indent.vim:
line 10:
E319: Sorry, the command is not available in this version: let did_indent_on = 1
line 16:
E319: Sorry, the command is not available in this version: def s:LoadIndent()
line 21:
E319: Sorry, the command is not available in this version: var s = expand("<amatch>")
line 33:
E319: Sorry, the command is not available in this version: enddef
I've tried apt update, apt dist-upgrade, apt install vim - all to no avail
Thanks for any help Charlie