Add multiline to syntax info

syntax/python.vim

   " Python 2 strings
   syn region pythonString   start=+[bB]\='+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
   syn region pythonString   start=+[bB]\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
-  syn region pythonString   start=+[bB]\="""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonString   start=+[bB]\='''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonStringMultiline   start=+[bB]\="""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonStringMultiline   start=+[bB]\='''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
 else
   " Python 3 byte strings
-  syn region pythonBytes		start=+[bB]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
-  syn region pythonBytes		start=+[bB]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
-  syn region pythonBytes		start=+[bB]"""+ end=+"""+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonBytes		start=+[bB]'''+ end=+'''+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonBytes		        start=+[bB]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
+  syn region pythonBytes		        start=+[bB]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
+  syn region pythonBytesMultiline		start=+[bB]"""+ end=+"""+ keepend contains=pythonBytesErrorMultiline,pythonBytesContentMultiline,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonBytesMultiline		start=+[bB]'''+ end=+'''+ keepend contains=pythonBytesErrorMultiline,pythonBytesContentMultiline,pythonDocTest,pythonSpaceError,@Spell
 
   syn match pythonBytesError    ".\+" display contained
+  syn match pythonBytesErrorMultiline    ".\+" display contained
   syn match pythonBytesContent  "[\u0000-\u00ff]\+" display contained contains=pythonBytesEscape,pythonBytesEscapeError
+  syn match pythonBytesContentMultiline  "[\u0000-\u00ff]\+" display contained contains=pythonBytesEscape,pythonBytesEscapeError
 endif
 
 syn match pythonBytesEscape       +\\[abfnrtv'"\\]+ display contained
   " Python 2 Unicode strings
   syn region pythonUniString  start=+[uU]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
   syn region pythonUniString  start=+[uU]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
-  syn region pythonUniString  start=+[uU]"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonUniString  start=+[uU]'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonUniStringMultiline  start=+[uU]"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonUniStringMultiline  start=+[uU]'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
 else
   " Python 3 strings
   syn region pythonString   start=+'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
   syn region pythonString   start=+"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
-  syn region pythonString   start=+"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonString   start=+'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonStringMultiline   start=+"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonStringMultiline   start=+'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
 endif
 
 if s:Python2Syntax()
   " Python 2 Unicode raw strings
   syn region pythonUniRawString start=+[uU][rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
   syn region pythonUniRawString start=+[uU][rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
-  syn region pythonUniRawString start=+[uU][rR]"""+ end=+"""+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonUniRawString start=+[uU][rR]'''+ end=+'''+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonUniRawStringMultiline start=+[uU][rR]"""+ end=+"""+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonUniRawStringMultiline start=+[uU][rR]'''+ end=+'''+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest,pythonSpaceError,@Spell
 
   syn match  pythonUniRawEscape       "\([^\\]\(\\\\\)*\)\@<=\\u\x\{4}" display contained
   syn match  pythonUniRawEscapeError  "\([^\\]\(\\\\\)*\)\@<=\\u\x\{,3}\X" display contained
 if s:Python2Syntax()
   syn region pythonRawString  start=+[bB]\=[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
   syn region pythonRawString  start=+[bB]\=[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
-  syn region pythonRawString  start=+[bB]\=[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonRawString  start=+[bB]\=[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonRawStringMultiline  start=+[bB]\=[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawStringMultiline  start=+[bB]\=[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
 else
   syn region pythonRawString  start=+[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
   syn region pythonRawString  start=+[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
-  syn region pythonRawString  start=+[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonRawString  start=+[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonRawStringMultiline  start=+[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawStringMultiline  start=+[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
 
   syn region pythonRawBytes  start=+[bB][rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
   syn region pythonRawBytes  start=+[bB][rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
-  syn region pythonRawBytes  start=+[bB][rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
-  syn region pythonRawBytes  start=+[bB][rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+  syn region pythonRawBytesMultiline  start=+[bB][rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawBytesMultiline  start=+[bB][rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
 endif
 
 syn match pythonRawEscape +\\['"]+ display transparent contained
   HiLink pythonIndentError      Error
   HiLink pythonSpaceError       Error
 
-  HiLink pythonString           String
-  HiLink pythonRawString        String
+  HiLink pythonString               String
+  HiLink pythonStringMultiline      String
+  HiLink pythonRawString            String
+  HiLink pythonRawStringMultiline   String
 
   HiLink pythonUniEscape        Special
   HiLink pythonUniEscapeError   Error
 
   if s:Python2Syntax()
     HiLink pythonUniString          String
+    HiLink pythonUniStringMultiline          String
     HiLink pythonUniRawString       String
+    HiLink pythonUniRawStringMultiline       String
     HiLink pythonUniRawEscape       Special
     HiLink pythonUniRawEscapeError  Error
   else
     HiLink pythonBytes              String
+    HiLink pythonBytesMultiline              String
     HiLink pythonRawBytes           String
+    HiLink pythonRawBytesMultiline           String
     HiLink pythonBytesContent       String
+    HiLink pythonBytesContentMultiline       String
     HiLink pythonBytesError         Error
+    HiLink pythonBytesErrorMultiline         Error
     HiLink pythonBytesEscape        Special
     HiLink pythonBytesEscapeError   Error
   endif