Updated runtime files.
diff --git a/runtime/syntax/make.vim b/runtime/syntax/make.vim
index 6fd46aa..35b0934 100644
--- a/runtime/syntax/make.vim
+++ b/runtime/syntax/make.vim
@@ -2,7 +2,7 @@
" Language: Makefile
" Maintainer: Claudio Fleiner <claudio@fleiner.com>
" URL: http://www.fleiner.com/vim/syntax/make.vim
-" Last Change: 2012 Oct 05
+" Last Change: 2015 Feb 28
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
@@ -43,8 +43,8 @@
syn region makeIdent start="\${" skip="\\}\|\\\\" end="}" contains=makeStatement,makeIdent,makeSString,makeDString
syn match makeIdent "\$\$\w*"
syn match makeIdent "\$[^({]"
-syn match makeIdent "^ *\a\w*\s*[:+?!*]="me=e-2
-syn match makeIdent "^ *\a\w*\s*="me=e-1
+syn match makeIdent "^ *[^:#= \t]*\s*[:+?!*]="me=e-2
+syn match makeIdent "^ *[^:#= \t]*\s*="me=e-1
syn match makeIdent "%"
" Makefile.in variables
@@ -55,11 +55,11 @@
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:$"me=e-1 nextgroup=makeSource
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:[^=]"me=e-2 nextgroup=makeSource
-syn region makeTarget transparent matchgroup=makeTarget start="^[A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}[^:=]"rs=e-1 end=";"re=e-1,me=e-1 end="[^\\]$" keepend contains=makeIdent,makeSpecTarget,makeNextLine skipnl nextGroup=makeCommands
-syn match makeTarget "^[A-Za-z0-9_./$()%*@-][A-Za-z0-9_./\t $()%*@-]*::\=\s*$" contains=makeIdent,makeSpecTarget skipnl nextgroup=makeCommands,makeCommandError
+syn region makeTarget transparent matchgroup=makeTarget start="^[~A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}[^:=]"rs=e-1 end=";"re=e-1,me=e-1 end="[^\\]$" keepend contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
+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 end="[^\\]$" keepend contains=makeIdent,makeSpecTarget,makeNextLine 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*$" contains=makeIdent 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 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*$" contains=makeIdent,makeComment skipnl nextgroup=makeCommands,makeCommandError
syn match makeCommandError "^\s\+\S.*" contained
syn region makeCommands start=";"hs=s+1 start="^\t" end="^[^\t#]"me=e-1,re=e-1 end="^$" contained contains=makeCmdNextLine,makeSpecial,makeComment,makeIdent,makePreCondit,makeDefine,makeDString,makeSString nextgroup=makeCommandError