diff --git a/vim/vimrc b/vim/vimrc
index 7be1db0..c9f18b1 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -48,6 +48,24 @@ let _agw.colors=[
 \	'base16-unikitty-dark',
 \]
 
+let _agw.languages=[
+\	"c",
+\	"cpp",
+\	"cs",
+\	"go",
+\	"html",
+\	"java",
+\	"json",
+\	"lisp",
+\	"php",
+\	"python",
+\	"racket",
+\	"ruby",
+\	"rust",
+\	"scheme",
+\	"zscript",
+\]
+
 let _agw.cr_scheme=-2  " color from s:colors, -1=random, -2=default
 let _agw.g_columns=80  " GUI columns
 let _agw.g_rows=24     " GUI rows
@@ -64,6 +82,10 @@ runtime! vconf
 
 " Functions ------------------------------------------------------------------|
 
+fu _agw.is_lang(lang)
+	return index(g:_agw.languages, a:lang) >= 0
+endfu
+
 fu _agw.fill_line()
 	if g:_agw.use_ruby
 ruby<<
@@ -268,7 +290,8 @@ let twitvim_browser_cmd='palemoon'
 let vim_markdown_folding_disabled=1
 
 " rainbow
-let rainbow_active=0
+let rainbow_active=1
+let lisp_rainbow=1
 
 " netrw
 let netrw_banner=0
@@ -444,62 +467,68 @@ com W execute 'w !sudo tee > /dev/null %' | edit!
 
 " Autocommands ---------------------------------------------------------------|
 
-" Strip whitespace
-au FileType c,cpp,cs,java,php,ruby,rust,python,go,zscript,markdown au BufWritePre <buffer> call _agw.strip_white()
+augroup AGW
+	" enable tagbar
+	if _agw.use_tagbar == 1
+		au VimEnter * nested :TagbarOpen
+	endif
 
-" Enable rainbow braces
-if _agw.use_rainbow != 0
-	au FileType c,cpp,cs,java,php,ruby,rust,python,go,zscript,html,scheme,racket,lisp,json au BufEnter <buffer> RainbowToggleOn
-endif
+	" vertical split on enter
+	if _agw.use_vsp == 1
+		au VimEnter * vsplit
+	endif
 
-" markdown sucks
-au FileType markdown set comments+=fb:- comments-=b:- indentexpr=
+	" markdown sucks
+	au FileType markdown set comments+=fb:- comments-=b:- indentexpr=
 
-" Racket options
-au FileType racket call _agw.setup_rkt()
+	" Racket options
+	au FileType racket call _agw.setup_rkt()
 
-" ASM options
-au BufEnter *\.asm,*\.s,*\.inc,*\.i call _agw.setup_asm()
+	" ASM options
+	au FileType asm call _agw.setup_asm()
 
-" close empty buffers automatically
-au BufEnter * call _agw.close_empty()
+	" Strip whitespace
+	au BufWritePre * if _agw.is_lang(&ft) | call _agw.strip_white() | endif
 
-" set color randomly on buffer enter
-if _agw.cr_scheme == -1
-	au BufEnter * call _agw.set_color(localtime() % len(_agw.colors))
-endif
+	" fix file detection for fish
+	au BufRead *
+	\	if getline(1) =~# '\v^#!%(\f*/|/usr/bin/env\s*<)fish>' |
+	\		setlocal filetype=fish |
+	\	endif
 
-" .rkt → Racket
-au BufRead,BufNewFile *.rkt set syntax=racket
+	" .rkt → Racket
+	au BufRead,BufNewFile *.rkt set syntax=racket
 
-" .edf → conf
-au BufRead,BufNewFile *.edf set syntax=conf
+	" .edf → conf
+	au BufRead,BufNewFile *.edf set syntax=conf
 
-" disable most ftplugins
-au BufReadPre * let b:did_ftplugin=1
-au BufReadPre *.rkt unlet b:did_ftplugin
+	" disable most ftplugins
+	au BufReadPre * let b:did_ftplugin=1
+	au BufReadPre *.rkt unlet b:did_ftplugin
 
-" enable tagbar
-if _agw.use_tagbar == 1
-	au VimEnter * nested :TagbarOpen
-endif
+	" rust.vim sets Cargo.toml to use filetype `cfg` even though it shouldn't,
+	" to fix this we simply do the same thing before it has a chance to
+	au BufRead,BufNewFile Cargo.toml
+	\	if &filetype == "" |
+	\		set filetype=toml |
+	\	endif
 
-" rust.vim sets Cargo.toml to use filetype `cfg` even though it shouldn't, to
-" fix this we simply do the same thing before it has a chance to
-au BufRead,BufNewFile Cargo.toml if &filetype == "" | set filetype=toml | endif
+	" close empty buffers automatically
+	au BufEnter * call _agw.close_empty()
 
-" vertical split on enter
-if _agw.use_vsp == 1
-	au VimEnter * vsplit
-endif
+	" set color randomly on buffer enter
+	if _agw.cr_scheme == -1
+		au BufEnter * call _agw.set_color(localtime() % len(_agw.colors))
+	endif
 
-" suppress readonly warnings
-au BufEnter * set noreadonly
+	" Enable rainbow braces
+	if _agw.use_rainbow != 0
+		au BufEnter * if _agw.is_lang(&ft) | exec 'RainbowToggleOn' | endif
+	endif
 
-autocmd BufRead *
-\	if getline(1) =~# '\v^#!%(\f*/|/usr/bin/env\s*<)fish>' |
-\		setlocal filetype=fish |
-\	endif
+	" suppress readonly warnings
+	au BufEnter * set noreadonly
+augroup end
 
 " Mapping --------------------------------------------------------------------|