diff --git a/runtime/syntax/perl.vim b/runtime/syntax/perl.vim
index 6ab6cd8..6ac28f6 100644
--- a/runtime/syntax/perl.vim
+++ b/runtime/syntax/perl.vim
@@ -3,7 +3,7 @@
 " Maintainer:    vim-perl <vim-perl@googlegroups.com>
 " Homepage:      http://github.com/vim-perl/vim-perl/tree/master
 " Bugs/requests: http://github.com/vim-perl/vim-perl/issues
-" Last Change:   2013-07-23
+" Last Change:   2017-09-12
 " Contributors:  Andy Lester <andy@petdance.com>
 "                Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
 "                Lukas Mai <l.mai.web.de>
@@ -28,8 +28,9 @@
 " unlet perl_fold
 " unlet perl_fold_blocks
 " unlet perl_nofold_packages
-" let perl_nofold_subs = 1
+" unlet perl_nofold_subs
 " unlet perl_fold_anonymous_subs
+" unlet perl_no_subprototype_error
 
 if exists("b:current_syntax")
   finish
@@ -38,11 +39,6 @@
 let s:cpo_save = &cpo
 set cpo&vim
 
-if exists('&regexpengine')
-  let s:regexpengine=&regexpengine
-  set regexpengine=1
-endif
-
 " POD starts with ^=<word> and ends with ^=cut
 
 if !exists("perl_include_pod") || perl_include_pod == 1
@@ -83,7 +79,7 @@
 
 syn match perlStatementStorage		"\<\%(my\|our\|local\|state\)\>"
 syn match perlStatementControl		"\<\%(return\|last\|next\|redo\|goto\|break\)\>"
-syn match perlStatementScalar		"\<\%(chom\=p\|chr\|crypt\|r\=index\|lc\%(first\)\=\|length\|ord\|pack\|sprintf\|substr\|uc\%(first\)\=\)\>"
+syn match perlStatementScalar		"\<\%(chom\=p\|chr\|crypt\|r\=index\|lc\%(first\)\=\|length\|ord\|pack\|sprintf\|substr\|fc\|uc\%(first\)\=\)\>"
 syn match perlStatementRegexp		"\<\%(pos\|quotemeta\|split\|study\)\>"
 syn match perlStatementNumeric		"\<\%(abs\|atan2\|cos\|exp\|hex\|int\|log\|oct\|rand\|sin\|sqrt\|srand\)\>"
 syn match perlStatementList		"\<\%(splice\|unshift\|shift\|push\|pop\|join\|reverse\|grep\|map\|sort\|unpack\)\>"
@@ -94,9 +90,9 @@
 syn match perlStatementVector		"\<vec\>"
 syn match perlStatementFiles		"\<\%(ch\%(dir\|mod\|own\|root\)\|glob\|link\|mkdir\|readlink\|rename\|rmdir\|symlink\|umask\|unlink\|utime\)\>"
 syn match perlStatementFiles		"-[rwxoRWXOezsfdlpSbctugkTBMAC]\>"
-syn match perlStatementFlow		"\<\%(caller\|die\|dump\|eval\|exit\|wantarray\)\>"
-syn match perlStatementInclude		"\<\%(require\|import\)\>"
-syn match perlStatementInclude		"\<\%(use\|no\)\s\+\%(\%(attributes\|attrs\|autouse\|parent\|base\|big\%(int\|num\|rat\)\|blib\|bytes\|charnames\|constant\|diagnostics\|encoding\%(::warnings\)\=\|feature\|fields\|filetest\|if\|integer\|less\|lib\|locale\|mro\|open\|ops\|overload\|re\|sigtrap\|sort\|strict\|subs\|threads\%(::shared\)\=\|utf8\|vars\|version\|vmsish\|warnings\%(::register\)\=\)\>\)\="
+syn match perlStatementFlow		"\<\%(caller\|die\|dump\|eval\|exit\|wantarray\|evalbytes\)\>"
+syn match perlStatementInclude		"\<\%(require\|import\|unimport\)\>"
+syn match perlStatementInclude		"\<\%(use\|no\)\s\+\%(\%(attributes\|attrs\|autodie\|autouse\|parent\|base\|big\%(int\|num\|rat\)\|blib\|bytes\|charnames\|constant\|diagnostics\|encoding\%(::warnings\)\=\|feature\|fields\|filetest\|if\|integer\|less\|lib\|locale\|mro\|open\|ops\|overload\|overloading\|re\|sigtrap\|sort\|strict\|subs\|threads\%(::shared\)\=\|utf8\|vars\|version\|vmsish\|warnings\%(::register\)\=\)\>\)\="
 syn match perlStatementProc		"\<\%(alarm\|exec\|fork\|get\%(pgrp\|ppid\|priority\)\|kill\|pipe\|set\%(pgrp\|priority\)\|sleep\|system\|times\|wait\%(pid\)\=\)\>"
 syn match perlStatementSocket		"\<\%(accept\|bind\|connect\|get\%(peername\|sock\%(name\|opt\)\)\|listen\|recv\|send\|setsockopt\|shutdown\|socket\%(pair\)\=\)\>"
 syn match perlStatementIPC		"\<\%(msg\%(ctl\|get\|rcv\|snd\)\|sem\%(ctl\|get\|op\)\|shm\%(ctl\|get\|read\|write\)\)\>"
@@ -108,7 +104,7 @@
 
 syn keyword perlTodo			TODO TODO: TBD TBD: FIXME FIXME: XXX XXX: NOTE NOTE: contained
 
-syn region perlStatementIndirObjWrap   matchgroup=perlStatementIndirObj start="\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*{" end="}" contains=@perlTop,perlBraces extend
+syn region perlStatementIndirObjWrap   matchgroup=perlStatementIndirObj start="\%(\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*\)\@<={" end="}" transparent extend
 
 syn match perlLabel      "^\s*\h\w*\s*::\@!\%(\<v\d\+\s*:\)\@<!"
 
@@ -125,7 +121,7 @@
 " Special variables first ($^A, ...) and ($|, $', ...)
 syn match  perlVarPlain		 "$^[ACDEFHILMNOPRSTVWX]\="
 syn match  perlVarPlain		 "$[\\\"\[\]'&`+*.,;=%~!?@#$<>(-]"
-syn match  perlVarPlain		 "%+"
+syn match  perlVarPlain		 "@[-+]"
 syn match  perlVarPlain		 "$\%(0\|[1-9]\d*\)"
 " Same as above, but avoids confusion in $::foo (equivalent to $main::foo)
 syn match  perlVarPlain		 "$::\@!"
@@ -143,41 +139,46 @@
 " just set the variable "perl_no_extended_vars"...
 
 if !exists("perl_no_scope_in_variables")
-  syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
-  syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef
-  syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
+  syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
+  syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
+  syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
 else
-  syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
-  syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)"
-  syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
+  syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
+  syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
+  syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref
 endif
 
+syn match  perlVarPlain2	 "%[-+]"
+
 if !exists("perl_no_extended_vars")
   syn cluster perlExpr		contains=perlStatementIndirObjWrap,perlStatementScalar,perlStatementRegexp,perlStatementNumeric,perlStatementList,perlStatementHash,perlStatementFiles,perlStatementTime,perlStatementMisc,perlVarPlain,perlVarPlain2,perlVarNotInMatches,perlVarSlash,perlVarBlock,perlVarBlock2,perlShellCommand,perlFloat,perlNumber,perlStringUnexpanded,perlString,perlQQ,perlArrow,perlBraces
-  syn region perlArrow		matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
-  syn region perlArrow		matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
-  syn region perlArrow		matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
-  syn match  perlArrow		"->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
-  syn region perlArrow		matchgroup=perlArrow start="->\s*\$*\I\i*\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
-  syn region perlVarBlock	matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn region perlVarBlock2	matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn match  perlVarPlain2	"[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn match  perlVarPlain	"\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn match  perlVarSimpleMember	"\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contains=perlVarSimpleMemberName contained extend
+  syn region perlArrow		matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contained
+  syn region perlArrow		matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contained
+  syn region perlArrow		matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contained
+  syn match  perlArrow		"->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contained
+  syn region perlArrow		matchgroup=perlArrow start="->\s*\$*\I\i*\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contained
+  syn region perlVarBlock	matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn region perlVarBlock2	matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn match  perlVarPlain2	"[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn match  perlVarPlain	"\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn match  perlVarSimpleMember	"\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref contains=perlVarSimpleMemberName contained extend
   syn match  perlVarSimpleMemberName	"\I\i*" contained
-  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
-  syn match perlPackageConst	"__PACKAGE__" nextgroup=perlMethod
-  syn match  perlMethod		"->\$*\I\i*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlMethod
+  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod,perlPostDeref extend
+  syn match perlPackageConst	"__PACKAGE__" nextgroup=perlMethod,perlPostDeref
+  syn match  perlMethod		"->\$*\I\i*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlMethod,perlPostDeref
+  syn match  perlPostDeref	"->\%($#\|[$@%&*]\)\*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlMethod,perlPostDeref
+  syn region  perlPostDeref	start="->\%($#\|[$@%&*]\)\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlMethod,perlPostDeref
+  syn region  perlPostDeref	matchgroup=perlPostDeref start="->\%($#\|[$@%&*]\){" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlMethod,perlPostDeref
 endif
 
 " File Descriptors
 syn match  perlFiledescRead	"<\h\w*>"
 
-syn match  perlFiledescStatementComma	"(\=\s*\u\w*\s*,"me=e-1 transparent contained contains=perlFiledescStatement
-syn match  perlFiledescStatementNocomma "(\=\s*\u\w*\s*[^, \t]"me=e-1 transparent contained contains=perlFiledescStatement
+syn match  perlFiledescStatementComma	"(\=\s*\<\u\w*\>\s*,"me=e-1 transparent contained contains=perlFiledescStatement
+syn match  perlFiledescStatementNocomma "(\=\s*\<\u\w*\>\s*[^, \t]"me=e-1 transparent contained contains=perlFiledescStatement
 
-syn match  perlFiledescStatement	"\u\w*" contained
+syn match  perlFiledescStatement	"\<\u\w*\>" contained
 
 " Special characters in strings and matches
 syn match  perlSpecialString	"\\\%(\o\{1,3}\|x\%({\x\+}\|\x\{1,2}\)\|c.\|[^cx]\)" contained extend
@@ -241,20 +242,18 @@
 
 
 " Simple version of searches and matches
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1[msixpodualgc]*+ contains=@perlInterpMatch keepend extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#[msixpodualgc]*+ contains=@perlInterpMatch keepend extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'[msixpodualgc]*+ contains=@perlInterpSQ keepend extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/[msixpodualgc]*+ contains=@perlInterpSlash keepend extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)[msixpodualgc]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
-
-" A special case for m{}, m<> and m[] which allows for comments and extra whitespace in the pattern
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}[msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracesDQ extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>[msixpodualgc]*+ contains=@perlInterpMatch,perlAnglesDQ keepend extend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\][msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracketsDQ keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1[msixpodualgcn]*+ contains=@perlInterpMatch keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#[msixpodualgcn]*+ contains=@perlInterpMatch keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'[msixpodualgcn]*+ contains=@perlInterpSQ keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/[msixpodualgcn]*+ contains=@perlInterpSlash keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)[msixpodualgcn]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}[msixpodualgcn]*+ contains=@perlInterpMatch,perlBracesDQ extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>[msixpodualgcn]*+ contains=@perlInterpMatch,perlAnglesDQ keepend extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\][msixpodualgcn]*+ contains=@perlInterpMatch,perlBracketsDQ keepend extend
 
 " Below some hacks to recognise the // variant. This is virtually impossible to catch in all
 " cases as the / is used in so many other ways, but these should be the most obvious ones.
-syn region perlMatch	matchgroup=perlMatchStartEnd start="\%([$@%&*]\@<!\%(\<split\|\<while\|\<if\|\<unless\|\.\.\|[-+*!~(\[{=]\)\s*\)\@<=/\%(/=\)\@!" start=+^/\%(/=\)\@!+ start=+\s\@<=/\%(/=\)\@![^[:space:][:digit:]$@%=]\@=\%(/\_s*\%([([{$@%&*[:digit:]"'`]\|\_s\w\|[[:upper:]_abd-fhjklnqrt-wyz]\)\)\@!+ skip=+\\/+ end=+/[msixpodualgc]*+ contains=@perlInterpSlash extend
+syn region perlMatch	matchgroup=perlMatchStartEnd start="\%([$@%&*]\@<!\%(\<split\|\<while\|\<if\|\<unless\|\.\.\|[-+*!~(\[{=]\)\s*\)\@<=/\%(/=\)\@!" start=+^/\%(/=\)\@!+ start=+\s\@<=/\%(/=\)\@![^[:space:][:digit:]$@%=]\@=\%(/\_s*\%([([{$@%&*[:digit:]"'`]\|\_s\w\|[[:upper:]_abd-fhjklnqrt-wyz]\)\)\@!+ skip=+\\/+ end=+/[msixpodualgcn]*+ contains=@perlInterpSlash extend
 
 
 " Substitutions
@@ -267,12 +266,12 @@
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\z([^[:space:]'([{<]\)+ end=+\z1[msixpodualgcer]*+ keepend contained contains=@perlInterpDQ extend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlParensDQ keepend extend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracketsDQ keepend extend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend extend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlAnglesDQ keepend extend
-syn region perlSubstitutionSQ		matchgroup=perlMatchStartEnd start=+'+  end=+'[msixpodualgcer]*+ contained contains=@perlInterpSQ keepend extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\z([^[:space:]'([{<]\)+ end=+\z1[msixpodualgcern]*+ keepend contained contains=@perlInterpDQ extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[msixpodualgcern]*+ contained contains=@perlInterpDQ,perlParensDQ keepend extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][msixpodualgcern]*+ contained contains=@perlInterpDQ,perlBracketsDQ keepend extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[msixpodualgcern]*+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[msixpodualgcern]*+ contained contains=@perlInterpDQ,perlAnglesDQ keepend extend
+syn region perlSubstitutionSQ		matchgroup=perlMatchStartEnd start=+'+  end=+'[msixpodualgcern]*+ contained contains=@perlInterpSQ keepend extend
 
 " Translations
 " perlMatch is the first part, perlTranslation* is the second, translator part.
@@ -314,35 +313,40 @@
 syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*{+  end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
 syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*<+  end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend extend
 
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\>\s*\z([^[:space:]#([{<'/]\)+  end=+\z1[imosx]*+ contains=@perlInterpMatch keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*/+  end=+/[imosx]*+ contains=@perlInterpSlash keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr#+  end=+#[imosx]*+ contains=@perlInterpMatch keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*'+  end=+'[imosx]*+ contains=@perlInterpSQ keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*(+  end=+)[imosx]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\>\s*\z([^[:space:]#([{<'/]\)+  end=+\z1[imosxdual]*+ contains=@perlInterpMatch keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*/+  end=+/[imosxdual]*+ contains=@perlInterpSlash keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr#+  end=+#[imosxdual]*+ contains=@perlInterpMatch keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*'+  end=+'[imosxdual]*+ contains=@perlInterpSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*(+  end=+)[imosxdual]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
 
 " A special case for qr{}, qr<> and qr[] which allows for comments and extra whitespace in the pattern
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*{+  end=+}[imosx]*+ contains=@perlInterpMatch,perlBracesDQ,perlComment keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*<+  end=+>[imosx]*+ contains=@perlInterpMatch,perlAnglesDQ,perlComment keepend extend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*\[+  end=+\][imosx]*+ contains=@perlInterpMatch,perlBracketsDQ,perlComment keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*{+  end=+}[imosxdual]*+ contains=@perlInterpMatch,perlBracesDQ,perlComment keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*<+  end=+>[imosxdual]*+ contains=@perlInterpMatch,perlAnglesDQ,perlComment keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*\[+  end=+\][imosxdual]*+ contains=@perlInterpMatch,perlBracketsDQ,perlComment keepend extend
 
 " Constructs such as print <<EOF [...] EOF, 'here' documents
 "
 " XXX Any statements after the identifier are in perlString colour (i.e.
 " 'if $a' in 'print <<EOF if $a'). This is almost impossible to get right it
 " seems due to the 'auto-extending nature' of regions.
+syn region perlHereDocStart	matchgroup=perlStringStartEnd start=+<<\z(\I\i*\)+  end=+$+     contains=@perlTop oneline
+syn region perlHereDocStart	matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+$+ contains=@perlTop oneline
+syn region perlHereDocStart	matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+$+ contains=@perlTop oneline
+syn region perlHereDocStart	matchgroup=perlStringStartEnd start=+<<\s*""+       end=+$+     contains=@perlTop oneline
+syn region perlHereDocStart	matchgroup=perlStringStartEnd start=+<<\s*''+       end=+$+     contains=@perlTop oneline
 if exists("perl_fold")
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\z(\I\i*\).*+    end=+^\z1$+ contains=@perlInterpDQ fold extend
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+^\z1$+ contains=@perlInterpDQ fold extend
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+^\z1$+ contains=@perlInterpSQ fold extend
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*""+           end=+^$+    contains=@perlInterpDQ,perlNotEmptyLine fold extend
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*''+           end=+^$+    contains=@perlInterpSQ,perlNotEmptyLine fold extend
+  syn region perlHereDoc	start=+<<\z(\I\i*\)+ matchgroup=perlStringStartEnd      end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ fold extend
+  syn region perlHereDoc	start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ fold extend
+  syn region perlHereDoc	start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ fold extend
+  syn region perlHereDoc	start=+<<\s*""+ matchgroup=perlStringStartEnd           end=+^$+    contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine fold extend
+  syn region perlHereDoc	start=+<<\s*''+ matchgroup=perlStringStartEnd           end=+^$+    contains=perlHereDocStart,@perlInterpSQ,perlNotEmptyLine fold extend
   syn region perlAutoload	matchgroup=perlStringStartEnd start=+<<\s*\(['"]\=\)\z(END_\%(SUB\|OF_FUNC\|OF_AUTOLOAD\)\)\1+ end=+^\z1$+ contains=ALL fold extend
 else
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\z(\I\i*\).*+    end=+^\z1$+ contains=@perlInterpDQ
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+^\z1$+ contains=@perlInterpDQ
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+^\z1$+ contains=@perlInterpSQ
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*""+           end=+^$+    contains=@perlInterpDQ,perlNotEmptyLine
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*''+           end=+^$+    contains=@perlInterpSQ,perlNotEmptyLine
+  syn region perlHereDoc	start=+<<\z(\I\i*\)+ matchgroup=perlStringStartEnd      end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ
+  syn region perlHereDoc	start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ
+  syn region perlHereDoc	start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ
+  syn region perlHereDoc	start=+<<\s*""+ matchgroup=perlStringStartEnd           end=+^$+    contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine
+  syn region perlHereDoc	start=+<<\s*''+ matchgroup=perlStringStartEnd           end=+^$+    contains=perlHereDocStart,@perlInterpSQ,perlNotEmptyLine
   syn region perlAutoload	matchgroup=perlStringStartEnd start=+<<\s*\(['"]\=\)\z(END_\%(SUB\|OF_FUNC\|OF_AUTOLOAD\)\)\1+ end=+^\z1$+ contains=ALL
 endif
 
@@ -356,28 +360,22 @@
 "       sub [name] [(prototype)] {
 "
 syn match perlSubError "[^[:space:];{#]" contained
-if v:version == 701 && !has('patch221')  " XXX I hope that's the right one
-    syn match perlSubAttributes ":" contained
+syn match perlSubAttributesCont "\h\w*\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained
+syn region perlSubAttributesCont matchgroup=perlSubAttributesCont start="\h\w*(" end=")\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained contains=@perlInterpSQ,perlParensSQ
+syn cluster perlSubAttrMaybe contains=perlSubAttributesCont,perlSubError,perlFakeGroup
+syn match perlSubAttributes "" contained nextgroup=perlSubError
+syn match perlSubAttributes ":\_s*" contained nextgroup=@perlSubAttrMaybe
+if get(g:, "perl_sub_signatures", 0)
+    syn match perlSignature +(\_[^)]*)\_s*+ nextgroup=perlSubAttributes,perlComment contained
 else
-    syn match perlSubAttributesCont "\h\w*\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained
-    syn region perlSubAttributesCont matchgroup=perlSubAttributesCont start="\h\w*(" end=")\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained contains=@perlInterpSQ,perlParensSQ
-    syn cluster perlSubAttrMaybe contains=perlSubAttributesCont,perlSubError,perlFakeGroup
-    syn match perlSubAttributes "" contained nextgroup=perlSubError
-    syn match perlSubAttributes ":\_s*" contained nextgroup=@perlSubAttrMaybe
+    syn match perlSubPrototypeError "(\%(\_s*\%(\%(\\\%([$@%&*]\|\[[$@%&*]\+\]\)\|[$&*]\|[@%]\%(\_s*)\)\@=\|;\%(\_s*[)$@%&*\\]\)\@=\|_\%(\_s*[);]\)\@=\)\_s*\)*\)\@>\zs\_[^)]\+" contained
+    syn match perlSubPrototype +(\_[^)]*)\_s*+ nextgroup=perlSubAttributes,perlComment contained contains=perlSubPrototypeError
 endif
-syn match perlSubPrototypeError "(\%(\_s*\%(\%(\\\%([$@%&*]\|\[[$@%&*]\+\]\)\|[$&*]\|[@%]\%(\_s*)\)\@=\|;\%(\_s*[)$@%&*\\]\)\@=\|_\%(\_s*[);]\)\@=\)\_s*\)*\)\@>\zs\_[^)]\+" contained
-syn match perlSubPrototype +(\_[^)]*)\_s*\|+ nextgroup=perlSubAttributes,perlComment contained contains=perlSubPrototypeError
-syn match perlSubName +\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\_s*\|+ contained nextgroup=perlSubPrototype,perlComment
+
+syn match perlSubName +\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\_s*\|+ contained nextgroup=perlSubPrototype,perlSignature,perlSubAttributes,perlComment
 
 syn match perlFunction +\<sub\>\_s*+ nextgroup=perlSubName
 
-if !exists("perl_no_scope_in_variables")
-   syn match  perlFunctionPRef	"\h\w*::" contained
-   syn match  perlFunctionName	"\h\w*[^:]" contained
-else
-   syn match  perlFunctionName	"\h[[:alnum:]_:]*" contained
-endif
-
 " The => operator forces a bareword to the left of it to be interpreted as
 " a string
 syn match  perlString "\I\@<!-\?\I\i*\%(\s*=>\)\@="
@@ -397,10 +395,10 @@
 
 " __END__ and __DATA__ clauses
 if exists("perl_fold")
-  syntax region perlDATA		start="^__DATA__$" skip="." end="." fold
+  syntax region perlDATA		start="^__DATA__$" skip="." end="." contains=@perlDATA fold
   syntax region perlDATA		start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA fold
 else
-  syntax region perlDATA		start="^__DATA__$" skip="." end="."
+  syntax region perlDATA		start="^__DATA__$" skip="." end="." contains=@perlDATA
   syntax region perlDATA		start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA
 endif
 
@@ -414,9 +412,9 @@
     syn region perlPackageFold start="^package \S\+;\s*\%(#.*\)\=$" end="^1;\=\s*\%(#.*\)\=$" end="\n\+package"me=s-1 transparent fold keepend
   endif
   if !exists("perl_nofold_subs")
-    if exists("perl_fold_anonymous_subs") && perl_fold_anonymous_subs
-      syn region perlSubFold     start="\<sub\>[^\n;]*{" end="}" transparent fold keepend extend
-      syn region perlSubFold     start="\<\%(BEGIN\|END\|CHECK\|INIT\)\>\s*{" end="}" transparent fold keepend
+    if get(g:, "perl_fold_anonymous_subs", 0)
+      syn region perlSubFold start="\<sub\>[^{]*{" end="}" transparent fold keepend extend
+      syn region perlSubFold start="\<\%(BEGIN\|END\|CHECK\|INIT\)\>\s*{" end="}" transparent fold keepend
     else
       syn region perlSubFold     start="^\z(\s*\)\<sub\>.*[^};]$" end="^\z1}\s*\%(#.*\)\=$" transparent fold keepend
       syn region perlSubFold start="^\z(\s*\)\<\%(BEGIN\|END\|CHECK\|INIT\|UNITCHECK\)\>.*[^};]$" end="^\z1}\s*$" transparent fold keepend
@@ -424,7 +422,7 @@
   endif
 
   if exists("perl_fold_blocks")
-    syn region perlBlockFold start="^\z(\s*\)\%(if\|elsif\|unless\|for\|while\|until\|given\)\s*(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" start="^\z(\s*\)foreach\s*\%(\%(my\|our\)\=\s*\S\+\s*\)\=(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
+    syn region perlBlockFold start="^\z(\s*\)\%(if\|elsif\|unless\|for\|while\|until\|given\)\s*(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" start="^\z(\s*\)for\%(each\)\=\s*\%(\%(my\|our\)\=\s*\S\+\s*\)\=(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
     syn region perlBlockFold start="^\z(\s*\)\%(do\|else\)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*while" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
   endif
 
@@ -435,7 +433,6 @@
   syn sync minlines=0
 endif
 
-
 " NOTE: If you're linking new highlight groups to perlString, please also put
 "       them into b:match_skip in ftplugin/perl.vim.
 
@@ -458,6 +455,7 @@
 hi def link perlFunction		Keyword
 hi def link perlSubName		Function
 hi def link perlSubPrototype		Type
+hi def link perlSignature		Type
 hi def link perlSubAttributes	PreProc
 hi def link perlSubAttributesCont	perlSubAttributes
 hi def link perlComment		Comment
@@ -516,8 +514,11 @@
 hi def link perlStatementIndirObj	perlStatement
 hi def link perlFunctionName		perlIdentifier
 hi def link perlMethod		perlIdentifier
+hi def link perlPostDeref		perlIdentifier
 hi def link perlFunctionPRef		perlType
-hi def link perlPOD			perlComment
+if !get(g:, 'perl_include_pod', 1)
+  hi def link perlPOD		perlComment
+endif
 hi def link perlShellCommand		perlString
 hi def link perlSpecialAscii		perlSpecial
 hi def link perlSpecialDollar	perlSpecial
@@ -548,7 +549,6 @@
 hi def link perlSubPrototypeError	Error
 hi def link perlSubError		Error
 
-
 " Syncing to speed up processing
 "
 if !exists("perl_no_sync_on_sub")
@@ -575,11 +575,6 @@
 
 let b:current_syntax = "perl"
 
-if exists('&regexpengine')
-  let &regexpengine=s:regexpengine
-  unlet s:regexpengine
-endif
-
 let &cpo = s:cpo_save
 unlet s:cpo_save