diff --git a/runtime/syntax/perl.vim b/runtime/syntax/perl.vim
index 5510c4b..d19d0ea 100644
--- a/runtime/syntax/perl.vim
+++ b/runtime/syntax/perl.vim
@@ -1,22 +1,24 @@
 " Vim syntax file
-" Language:     Perl 5
-" Maintainer:   Andy Lester <andy@petdance.com>
-" URL:          http://github.com/petdance/vim-perl/tree/master
-" Last Change:  2010-08-10
-" Contributors: Andy Lester <andy@petdance.com>
-"               Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
-"               Lukas Mai <l.mai.web.de>
-"               Nick Hibma <nick@van-laarhoven.org>
-"               Sonia Heimann <niania@netsurf.org>
-"               and many others.
+" Language:      Perl 5
+" 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:   2013-05-11
+" Contributors:  Andy Lester <andy@petdance.com>
+"                Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
+"                Lukas Mai <l.mai.web.de>
+"                Nick Hibma <nick@van-laarhoven.org>
+"                Sonia Heimann <niania@netsurf.org>
+"                Rob Hoelz <rob@hoelz.ro>
+"                and many others.
 "
-" Please download most recent version first before mailing
+" Please download the most recent version first, before mailing
 " any comments.
 "
 " The following parameters are available for tuning the
 " perl syntax highlighting, with defaults given:
 "
-" unlet perl_include_pod
+" let perl_include_pod = 1
 " unlet perl_no_scope_in_variables
 " unlet perl_no_extended_vars
 " unlet perl_string_as_statement
@@ -27,21 +29,29 @@
 " unlet perl_fold_blocks
 " let perl_nofold_packages = 1
 " let perl_nofold_subs = 1
+" unlet perl_fold_anonymous_subs
 
 if exists("b:current_syntax")
   finish
 endif
 
+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")
+if !exists("perl_include_pod") || perl_include_pod == 1
   " Include a while extra syntax file
   syn include @Pod syntax/pod.vim
   unlet b:current_syntax
   if exists("perl_fold")
-    syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend fold
-    syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend fold
+    syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend fold extend
+    syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend fold extend
   else
     syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend
     syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend
@@ -63,10 +73,13 @@
 " All keywords
 "
 syn match perlConditional		"\<\%(if\|elsif\|unless\|given\|when\|default\)\>"
-syn match perlConditional		"\<else\>" nextgroup=perlElseIfError skipwhite skipnl skipempty
+syn match perlConditional		"\<else\%(\%(\_s\*if\>\)\|\>\)" contains=perlElseIfError skipwhite skipnl skipempty
 syn match perlRepeat			"\<\%(while\|for\%(each\)\=\|do\|until\|continue\)\>"
 syn match perlOperator			"\<\%(defined\|undef\|eq\|ne\|[gl][et]\|cmp\|not\|and\|or\|xor\|not\|bless\|ref\|do\)\>"
-syn match perlControl			"\<\%(BEGIN\|CHECK\|INIT\|END\|UNITCHECK\)\>"
+" for some reason, adding this as the nextgroup for perlControl fixes BEGIN
+" folding issues...
+syn match perlFakeGroup 		"" contained
+syn match perlControl			"\<\%(BEGIN\|CHECK\|INIT\|END\|UNITCHECK\)\>\_s*" nextgroup=perlFakeGroup
 
 syn match perlStatementStorage		"\<\%(my\|our\|local\|state\)\>"
 syn match perlStatementControl		"\<\%(return\|last\|next\|redo\|goto\|break\)\>"
@@ -93,9 +106,9 @@
 
 syn match perlStatementMisc		"\<\%(warn\|formline\|reset\|scalar\|prototype\|lock\|tied\=\|untie\)\>"
 
-syn keyword perlTodo			TODO TBD FIXME XXX NOTE contained
+syn keyword perlTodo			TODO TODO: TBD TBD: FIXME FIXME: XXX XXX: NOTE NOTE: contained
 
-syn region perlStatementIndirObjWrap	matchgroup=perlStatementIndirObj start="\<\%(map\|grep\|sort\|print\|system\|exec\)\>\s*{" end="}" contains=@perlTop,perlGenericBlock
+syn region perlStatementIndirObjWrap   matchgroup=perlStatementIndirObj start="\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*{" end="}" contains=@perlTop,perlGenericBlock extend
 
 syn match perlLabel      "^\s*\h\w*\s*::\@!\%(\<v\d\+\s*:\)\@<!"
 
@@ -146,14 +159,14 @@
   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
-  syn region perlVarBlock2	matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
+  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
   syn match  perlVarPlain	"\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
-  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
-  syn match  perlVarSimpleMember	"\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contains=perlVarSimpleMemberName contained
+  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 match  perlVarSimpleMemberName	"\I\i*" contained
-  syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
+  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
 endif
@@ -168,13 +181,13 @@
 
 " Special characters in strings and matches
 syn match  perlSpecialString	"\\\%(\o\{1,3}\|x\%({\x\+}\|\x\{1,2}\)\|c.\|[^cx]\)" contained extend
-syn match  perlSpecialStringU2	"\\." extend contained transparent contains=NONE
+syn match  perlSpecialStringU2	"\\." extend contained contains=NONE
 syn match  perlSpecialStringU	"\\\\" contained
 syn match  perlSpecialMatch	"\\[1-9]" contained extend
 syn match  perlSpecialMatch	"\\g\%(\d\+\|{\%(-\=\d\+\|\h\w*\)}\)" contained
 syn match  perlSpecialMatch	"\\k\%(<\h\w*>\|'\h\w*'\)" contained
 syn match  perlSpecialMatch	"{\d\+\%(,\%(\d\+\)\=\)\=}" contained
-syn match  perlSpecialMatch	"\[[]-]\=[^\[\]]*[]-]\=\]" contained
+syn match  perlSpecialMatch	"\[[]-]\=[^\[\]]*[]-]\=\]" contained extend
 syn match  perlSpecialMatch	"[+*()?.]" contained
 syn match  perlSpecialMatch	"(?[#:=!]" contained
 syn match  perlSpecialMatch	"(?[impsx]*\%(-[imsx]\+\)\=)" contained
@@ -186,10 +199,9 @@
 "
 " Highlight lines with only whitespace (only in blank delimited here documents) as errors
 syn match  perlNotEmptyLine	"^\s\+$" contained
-" Highlight '} else if (...) {', it should be '} else { if (...) { ' or
-" '} elsif (...) {'.
-syn match perlElseIfError	"\s\+if" contained
-syn keyword perlElseIfError	elseif
+" Highlight "} else if (...) {", it should be "} else { if (...) { " or "} elsif (...) {"
+syn match perlElseIfError	"else\_s*if" containedin=perlConditional
+syn keyword perlElseIfError	elseif containedin=perlConditional
 
 " Variable interpolation
 "
@@ -217,32 +229,32 @@
 syn match  perlVStringV	"\<v" contained
 
 
-syn region perlParensSQ		start=+(+ end=+)+ extend contained transparent contains=perlParensSQ,@perlInterpSQ keepend
-syn region perlBracketsSQ	start=+\[+ end=+\]+ extend contained transparent contains=perlBracketsSQ,@perlInterpSQ keepend
-syn region perlBracesSQ		start=+{+ end=+}+ extend contained transparent contains=perlBracesSQ,@perlInterpSQ keepend
-syn region perlAnglesSQ		start=+<+ end=+>+ extend contained transparent contains=perlAnglesSQ,@perlInterpSQ keepend
+syn region perlParensSQ		start=+(+ end=+)+ extend contained contains=perlParensSQ,@perlInterpSQ keepend
+syn region perlBracketsSQ	start=+\[+ end=+\]+ extend contained contains=perlBracketsSQ,@perlInterpSQ keepend
+syn region perlBracesSQ		start=+{+ end=+}+ extend contained contains=perlBracesSQ,@perlInterpSQ keepend
+syn region perlAnglesSQ		start=+<+ end=+>+ extend contained contains=perlAnglesSQ,@perlInterpSQ keepend
 
-syn region perlParensDQ		start=+(+ end=+)+ extend contained transparent contains=perlParensDQ,@perlInterpDQ keepend
-syn region perlBracketsDQ	start=+\[+ end=+\]+ extend contained transparent contains=perlBracketsDQ,@perlInterpDQ keepend
-syn region perlBracesDQ		start=+{+ end=+}+ extend contained transparent contains=perlBracesDQ,@perlInterpDQ keepend
-syn region perlAnglesDQ		start=+<+ end=+>+ extend contained transparent contains=perlAnglesDQ,@perlInterpDQ keepend
+syn region perlParensDQ		start=+(+ end=+)+ extend contained contains=perlParensDQ,@perlInterpDQ keepend
+syn region perlBracketsDQ	start=+\[+ end=+\]+ extend contained contains=perlBracketsDQ,@perlInterpDQ keepend
+syn region perlBracesDQ		start=+{+ end=+}+ extend contained contains=perlBracesDQ,@perlInterpDQ keepend
+syn region perlAnglesDQ		start=+<+ end=+>+ extend contained contains=perlAnglesDQ,@perlInterpDQ keepend
 
 
 " Simple version of searches and matches
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1[cgimopsx]*+ contains=@perlInterpMatch keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#[cgimopsx]*+ contains=@perlInterpMatch keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'[cgimopsx]*+ contains=@perlInterpSQ keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/[cgimopsx]*+ contains=@perlInterpSlash keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)[cgimopsx]*+ contains=@perlInterpMatch,perlParensDQ keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1[msixpodualgc]*+ contains=@perlInterpMatch keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#[msixpodualgc]*+ contains=@perlInterpMatch keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'[msixpodualgc]*+ contains=@perlInterpSQ keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/[msixpodualgc]*+ contains=@perlInterpSlash keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)[msixpodualgc]*+ contains=@perlInterpMatch,perlParensDQ keepend
 
 " 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=+}[cgimopsx]*+ contains=@perlInterpMatch,perlComment,perlBracesDQ keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>[cgimopsx]*+ contains=@perlInterpMatch,perlAnglesDQ keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\][cgimopsx]*+ contains=@perlInterpMatch,perlComment,perlBracketsDQ keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}[msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracesDQ
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>[msixpodualgc]*+ contains=@perlInterpMatch,perlAnglesDQ keepend
+syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\][msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracketsDQ keepend
 
 " 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=+/[cgimopsx]*+ contains=@perlInterpSlash
+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
 
 
 " Substitutions
@@ -254,13 +266,13 @@
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend
-syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\z([^[:space:]'([{<]\)+ end=+\z1[ecgimopsx]*+ keepend contained contains=@perlInterpDQ
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[ecgimopsx]*+ contained contains=@perlInterpDQ,perlParensDQ keepend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][ecgimopsx]*+ contained contains=@perlInterpDQ,perlBracketsDQ keepend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[ecgimopsx]*+ contained contains=@perlInterpDQ,perlBracesDQ keepend
-syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[ecgimopsx]*+ contained contains=@perlInterpDQ,perlAnglesDQ keepend
-syn region perlSubstitutionSQ		matchgroup=perlMatchStartEnd start=+'+  end=+'[ecgimopsx]*+ contained contains=@perlInterpSQ keepend 
+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
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlParensDQ keepend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracketsDQ keepend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend
+syn region perlSubstitutionGQQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlAnglesDQ keepend
+syn region perlSubstitutionSQ		matchgroup=perlMatchStartEnd start=+'+  end=+'[msixpodualgcer]*+ contained contains=@perlInterpSQ keepend
 
 " Translations
 " perlMatch is the first part, perlTranslation* is the second, translator part.
@@ -270,48 +282,48 @@
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
 syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
-syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+\z([^[:space:]([{<]\)+ end=+\z1[cds]*+ contained
-syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[cds]*+ contains=perlParensSQ contained
-syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][cds]*+ contains=perlBracketsSQ contained
-syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[cds]*+ contains=perlBracesSQ contained
-syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[cds]*+ contains=perlAnglesSQ contained
+syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+\z([^[:space:]([{<]\)+ end=+\z1[cdsr]*+ contained
+syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+(+ end=+)[cdsr]*+ contains=perlParensSQ contained
+syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+\[+ end=+\][cdsr]*+ contains=perlBracketsSQ contained
+syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+{+ end=+}[cdsr]*+ contains=perlBracesSQ contained
+syn region perlTranslationGQ		matchgroup=perlMatchStartEnd start=+<+ end=+>[cdsr]*+ contains=perlAnglesSQ contained
 
 
 " Strings and q, qq, qw and qr expressions
 
-syn region perlStringUnexpanded	matchgroup=perlStringStartEnd start="'" end="'" contains=@perlInterpSQ keepend
-syn region perlString		matchgroup=perlStringStartEnd start=+"+  end=+"+ contains=@perlInterpDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q#+ end=+#+ contains=@perlInterpSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend
+syn region perlStringUnexpanded	matchgroup=perlStringStartEnd start="'" end="'" contains=@perlInterpSQ keepend extend
+syn region perlString		matchgroup=perlStringStartEnd start=+"+  end=+"+ contains=@perlInterpDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q#+ end=+#+ contains=@perlInterpSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend extend
 
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]#+ end=+#+ contains=@perlInterpDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*(+ end=+)+ contains=@perlInterpDQ,perlParensDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*\[+ end=+\]+ contains=@perlInterpDQ,perlBracketsDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*{+ end=+}+ contains=@perlInterpDQ,perlBracesDQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*<+ end=+>+ contains=@perlInterpDQ,perlAnglesDQ keepend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]#+ end=+#+ contains=@perlInterpDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*(+ end=+)+ contains=@perlInterpDQ,perlParensDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*\[+ end=+\]+ contains=@perlInterpDQ,perlBracketsDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*{+ end=+}+ contains=@perlInterpDQ,perlBracesDQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*<+ end=+>+ contains=@perlInterpDQ,perlAnglesDQ keepend extend
 
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\z([^[:space:]#([{<]\)+  end=+\z1+ contains=@perlInterpSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw#+  end=+#+ contains=@perlInterpSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*(+  end=+)+ contains=@perlInterpSQ,perlParensSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\[+  end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*{+  end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*<+  end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\z([^[:space:]#([{<]\)+  end=+\z1+ contains=@perlInterpSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw#+  end=+#+ contains=@perlInterpSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*(+  end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
+syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\[+  end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
+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
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*/+  end=+/[imosx]*+ contains=@perlInterpSlash keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr#+  end=+#[imosx]*+ contains=@perlInterpMatch keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*'+  end=+'[imosx]*+ contains=@perlInterpSQ keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*(+  end=+)[imosx]*+ contains=@perlInterpMatch,perlParensDQ keepend
+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
 
 " 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
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*<+  end=+>[imosx]*+ contains=@perlInterpMatch,perlAnglesDQ,perlComment keepend
-syn region perlQQ		matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*\[+  end=+\][imosx]*+ contains=@perlInterpMatch,perlBracketsDQ,perlComment keepend
+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
 
 " Constructs such as print <<EOF [...] EOF, 'here' documents
 "
@@ -319,14 +331,14 @@
 " 'if $a' in 'print <<EOF if $a'). This is almost impossible to get right it
 " seems due to the 'auto-extending nature' of regions.
 if exists("perl_fold")
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\z(\I\i*\).*+    end=+^\z1$+ contains=@perlInterpDQ fold
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+^\z1$+ contains=@perlInterpDQ fold
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+^\z1$+ contains=@perlInterpSQ fold
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*""+           end=+^$+    contains=@perlInterpDQ,perlNotEmptyLine fold
-  syn region perlHereDoc	matchgroup=perlStringStartEnd start=+<<\s*''+           end=+^$+    contains=@perlInterpSQ,perlNotEmptyLine fold
-  syn region perlAutoload	matchgroup=perlStringStartEnd start=+<<\s*\(['"]\=\)\z(END_\%(SUB\|OF_FUNC\|OF_AUTOLOAD\)\)\1+ end=+^\z1$+ contains=ALL 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 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=+<<\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
@@ -349,13 +361,13 @@
 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
+    syn cluster perlSubAttrMaybe contains=perlSubAttributesCont,perlSubError,perlFakeGroup
     syn match perlSubAttributes "" contained nextgroup=perlSubError
     syn match perlSubAttributes ":\_s*" contained nextgroup=@perlSubAttrMaybe
 endif
 syn match perlSubPrototypeError "(\%(\_s*\%(\%(\\\%([$@%&*]\|\[[$@%&*]\+\]\)\|[$&*]\|[@%]\%(\_s*)\)\@=\|;\%(\_s*[)$@%&*\\]\)\@=\|_\%(\_s*[);]\)\@=\)\_s*\)*\)\@>\zs\_[^)]\+" contained
-syn match perlSubPrototype +(\_[^)]*)\_s*\|+ nextgroup=perlSubAttributes contained contains=perlSubPrototypeError
-syn match perlSubName +\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\_s*\|+ contained nextgroup=perlSubPrototype
+syn match perlSubPrototype +(\_[^)]*)\_s*\|+ nextgroup=perlSubAttributes,perlComment contained contains=perlSubPrototypeError
+syn match perlSubName +\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\_s*\|+ contained nextgroup=perlSubPrototype,perlComment
 
 syn match perlFunction +\<sub\>\_s*+ nextgroup=perlSubName
 
@@ -371,7 +383,7 @@
 syn match  perlString "\I\@<!-\?\I\i*\%(\s*=>\)\@="
 
 " All other # are comments, except ^#!
-syn match  perlComment		"#.*" contains=perlTodo,@Spell
+syn match  perlComment		"#.*" contains=perlTodo,@Spell extend
 syn match  perlSharpBang	"^#!.*"
 
 " Formats
@@ -385,9 +397,11 @@
 
 " __END__ and __DATA__ clauses
 if exists("perl_fold")
-  syntax region perlDATA		start="^__\%(DATA\|END\)__$" skip="." end="." contains=perlPOD,@perlDATA fold
+  syntax region perlDATA		start="^__DATA__$" skip="." end="." fold
+  syntax region perlDATA		start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA fold
 else
-  syntax region perlDATA		start="^__\%(DATA\|END\)__$" skip="." end="." contains=perlPOD,@perlDATA
+  syntax region perlDATA		start="^__DATA__$" skip="." end="."
+  syntax region perlDATA		start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA
 endif
 
 "
@@ -400,8 +414,15 @@
     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")
-    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
+    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
+
+      syn region perlBraces start="{" end="}" transparent extend
+    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
+    endif
   endif
 
   if exists("perl_fold_blocks")
@@ -418,6 +439,9 @@
 
 command -nargs=+ HiLink hi def link <args>
 
+" NOTE: If you're linking new highlight groups to perlString, please also put
+"       them into b:match_skip in ftplugin/perl.vim.
+
 " The default highlighting.
 HiLink perlSharpBang		PreProc
 HiLink perlControl		PreProc
@@ -505,6 +529,22 @@
 HiLink perlSpecialMatch		perlSpecial
 HiLink perlDATA			perlComment
 
+" NOTE: Due to a bug in Vim (or more likely, a misunderstanding on my part),
+"       I had to remove the transparent property from the following regions
+"       in order to get them to highlight correctly.  Feel free to remove
+"       these and reinstate the transparent property if you know how.
+HiLink perlParensSQ		perlString
+HiLink perlBracketsSQ		perlString
+HiLink perlBracesSQ		perlString
+HiLink perlAnglesSQ		perlString
+
+HiLink perlParensDQ		perlString
+HiLink perlBracketsDQ		perlString
+HiLink perlBracesDQ		perlString
+HiLink perlAnglesDQ		perlString
+
+HiLink perlSpecialStringU2	perlString
+
 " Possible errors
 HiLink perlNotEmptyLine		Error
 HiLink perlElseIfError		Error
@@ -539,5 +579,13 @@
 
 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
+
 " XXX Change to sts=4:sw=4
 " vim:ts=8:sts=2:sw=2:expandtab:ft=vim