Embellish .vim/after/syntax/python.vim

See vim-python/python-syntax#65

Author: vEnhance

vim/after/syntax/python.vim

@@ -1,5 +1,4 @@
 " https://vi.stackexchange.com/a/9917/1851
-
 hi PythonFuncCall ctermfg=218 cterm=none guifg=#0000dd gui=none
 hi PythonClassVar ctermfg=194 cterm=none guifg=#770077 gui=none
 
@@ -10,11 +9,17 @@ syntax match   pythonKeywordArgument    contained /\<\K\k*\ze\s*=/ nextgroup=pyt
 syntax match   pythonFuncArgCommas      contained ','
 hi pythonKeywordArgument ctermfg=154 cterm=italic guifg=#228822 gui=italic
 
+" match breakpoints
 syntax match pythonBreakpoint /breakpoint()/
 hi link pythonBreakpoint Error
 
-syn match pythonStrFormatNotFString "{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonString,pythonRawString
-hi pythonStrFormatNotFString ctermbg=94 ctermfg=229 guibg=#875f00 guifg=#ffffaf
+" https://github.com/vim-python/python-syntax/issues/65
+syn match pythonStrFormatNotFString "{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonString
+hi pythonStrFormatNotFString ctermbg=88 ctermfg=225 guibg=#870000 guifg=#ffd7ff
+
+syn match pythonStrFormatRawString "{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonRawString
+hi pythonStrFormatRawString ctermbg=94 ctermfg=229 guibg=#875f00 guifg=#ffffaf
 
+" misc settings
 set foldmethod=indent
 set foldlevelstart=1