Update runtime files
diff --git a/runtime/syntax/make.vim b/runtime/syntax/make.vim
index d0d7f15..68f7ee2 100644
--- a/runtime/syntax/make.vim
+++ b/runtime/syntax/make.vim
@@ -3,7 +3,7 @@
" Maintainer: Roland Hieber <rohieb+vim-iR0jGdkV@rohieb.name>, <https://github.com/rohieb>
" Previous Maintainer: Claudio Fleiner <claudio@fleiner.com>
" URL: https://github.com/vim/vim/blob/master/runtime/syntax/make.vim
-" Last Change: 2020 May 03
+" Last Change: 2020 Oct 16
" quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -45,19 +45,19 @@
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:[^=]"me=e-2
syn region makeTarget transparent matchgroup=makeTarget
- \ start="^[~A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}[^:=]"rs=e-1
- \ end=";"re=e-1,me=e-1 end="[^\\]$"
+ \ start="^[~A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*&\?:\?:\{1,2}[^:=]"rs=e-1
+ \ end="[^\\]$"
\ keepend contains=makeIdent,makeSpecTarget,makeNextLine,makeComment,makeDString
\ skipnl nextGroup=makeCommands
-syn match makeTarget "^[~A-Za-z0-9_./$()%*@-][A-Za-z0-9_./\t $()%*@-]*::\=\s*$"
+syn match makeTarget "^[~A-Za-z0-9_./$()%*@-][A-Za-z0-9_./\t $()%*@-]*&\?::\=\s*$"
\ contains=makeIdent,makeSpecTarget,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
syn region makeSpecTarget transparent matchgroup=makeSpecTarget
- \ start="^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\)\>\s*:\{1,2}[^:=]"rs=e-1
+ \ start="^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\|ONESHELL\)\>\s*:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$" keepend
\ contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
-syn match makeSpecTarget "^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\)\>\s*::\=\s*$"
+syn match makeSpecTarget "^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\|ONESHELL\)\>\s*::\=\s*$"
\ contains=makeIdent,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError