changed the colour of perlOperator and Identifier; hopefully they do

not get mixed up so easily. (I had no problem with this, but I can see
where it could occur as a possibility.)

colors/neonwave.vim

@@ -71,12 +71,14 @@ hi MoreMsg           ctermfg=46    ctermbg=NONE   cterm=bold
 hi NonText           ctermfg=201   ctermbg=NONE   cterm=NONE
 hi Normal            ctermfg=105   ctermbg=234    cterm=NONE
 hi Number            ctermfg=31    ctermbg=NONE   cterm=NONE
-hi Operator          ctermfg=39    ctermbg=NONE   cterm=NONE
+hi Operator          ctermfg=44    ctermbg=NONE   cterm=NONE
 
 " For matching over X length of chars; non-essential.
 " That is, if you have a match property in your vimrc.
 hi OverLength        ctermfg=46    ctermbg=234    cterm=bold
-hi perlIdentifier    ctermfg=45    ctermbg=NONE   cterm=NONE
+
+hi perlIdentifier    ctermfg=39    ctermbg=NONE   cterm=NONE
+hi perlOperator      ctermfg=45    ctermbg=NONE   cterm=NONE
 hi PMenu             ctermfg=36    ctermbg=233    cterm=NONE
 hi PMenuSel          ctermfg=75    ctermbg=235    cterm=NONE
 hi PMenuSbar         ctermfg=NONE  ctermbg=232    cterm=NONE