syntax: Fix string formatting highlight for byte strings

Author: anntzer

syntax/python.vim

@@ -232,11 +232,11 @@ syn match pythonRawEscape +\\['"]+ display transparent contained
 if s:Enabled('g:python_highlight_string_formatting')
   " % operator string formatting
   if s:Python2Syntax()
-    syn match pythonStrFormatting '%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
-    syn match pythonStrFormatting '%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+    syn match pythonStrFormatting '%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString,pythonBytesContent
+    syn match pythonStrFormatting '%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString,pythonBytesContent
   else
-    syn match pythonStrFormatting '%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonRawString
-    syn match pythonStrFormatting '%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonRawString
+    syn match pythonStrFormatting '%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonRawString,pythonBytesContent
+    syn match pythonStrFormatting '%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]' contained containedin=pythonString,pythonRawString,pythonBytesContent
   endif
 endif