Custom syntax highlighting

For c and quickfix
Function to format the quickfix and location jump lists
Fixed issue with "help" window layouts accessing incorrect variable

config/nvim/after/syntax/qf.vim

@@ -0,0 +1,28 @@
+syn clear
+
+" I have completely overriden the formatting for the quickfix and location list buffers so this
+" has to be changed to give proper highlighting of the new format
+"
+syn match qfSignError  "\[!\]"  contained
+syn match qfSignWarn   "\[#\]"  contained
+syn match qfSignSearch "\[\~\]" contained
+syn match qfFileName   "^[^:]*" contains=@qfSign nextgroup=qfSeparator1
+syn match qfSeparator1 ":"      contained        nextgroup=qfLineNr
+syn match qfLineNr     "[^:|]*" contained        nextgroup=qfSeparator2,qfSeparator3
+syn match qfSeparator2 ":"      contained        nextgroup=qfColumnNr
+syn match qfColumnNr   "[^|]*"  contained
+syn match qfSeparator3 "|"      contained
+
+syn cluster qfSign contains=qfSignError,qfSignWarn,qfSignSearch
+
+hi clear qfFileName
+hi clear qfLineNr
+
+hi def link qfSignError  DiagnosticSignError
+hi def link qfSignWarn   DiagnosticSignWarn
+hi def link qfSignSearch LineNr
+hi def link qfFileName   Function
+hi def link qfLineNr     Number
+hi def link qfColumnNr   Number
+
+let b:current_syntax = "qf"