diff --git a/init.lua b/init.lua
index 536bc39..f04d835 100644
--- a/init.lua
+++ b/init.lua
@@ -1,88 +1,89 @@
 local opt = vim.opt
 local g = vim.g
 
-g.mapleader = ' '
-g.maplocalleader = ';'
-g.python3_host_prog = '/usr/bin/python3'
+vim.g.mapleader = ' '
+vim.g.maplocalleader = ';'
+vim.g.python3_host_prog = '/usr/bin/python3'
 
-opt.mouse = 'a' -- mouse does annoying things for me if it's not 'a'
-opt.signcolumn = 'yes'
-opt.clipboard = '' -- don't just use the system clipboard
-opt.wrap = false
-opt.breakindent = false
-opt.spell = false
-opt.conceallevel = 2
-opt.undofile = true
-opt.undolevels = 10000
-opt.writebackup = false
-opt.history = 5000
-opt.shada = { "'1000", '<50', 's10', 'h' }
+vim.o.mouse = 'a' -- mouse does annoying things for me if it's not 'a'
+vim.o.signcolumn = 'yes'
+vim.o.clipboard = '' -- don't just use the system clipboard
+vim.o.wrap = false
+vim.o.breakindent = false
+vim.o.spell = false
+vim.o.conceallevel = 2
+vim.o.concealcursor = 'nc'
+vim.o.undofile = true
+vim.o.undolevels = 10000
+vim.o.writebackup = false
+vim.o.history = 5000
+vim.o.shada = { "'1000", '<50', 's10', 'h' }
+vim.g.syntax = true
 
 -- Tabs and Indents
 -- ===
-
-opt.textwidth = 80 -- Text width maximum chars before wrapping
-opt.tabstop = 4 -- The number of spaces a tab is
-opt.shiftwidth = 4 -- Number of spaces to use in auto(indent)
-opt.smarttab = true -- Tab insert blanks according to 'shiftwidth'
-opt.autoindent = true -- Use same indenting on new lines
-opt.smartindent = true -- Smart autoindenting on new lines
-opt.shiftround = true -- Round indent to multiple of 'shiftwidth'
+vim.o.textwidth = 80 -- Text width maximum chars before wrapping
+vim.o.tabstop = 4 -- The number of spaces a tab is
+vim.o.shiftwidth = 4 -- Number of spaces to use in auto(indent)
+vim.o.smarttab = true -- Tab insert blanks according to 'shiftwidth'
+vim.o.autoindent = true -- Use same indenting on new lines
+vim.o.smartindent = true -- Smart autoindenting on new lines
+vim.o.shiftround = true -- Round indent to multiple of 'shiftwidth'
 
 -- Timing
 -- ===
-opt.ttimeout = true
-opt.timeoutlen = 500 -- Time out on mappings
-opt.ttimeoutlen = 10 -- Time out on key codes
-opt.updatetime = 250 -- Idle time to write swap and trigger CursorHold
+vim.o.ttimeout = true
+vim.o.timeoutlen = 500 -- Time out on mappings
+vim.o.ttimeoutlen = 10 -- Time out on key codes
+vim.o.updatetime = 250 -- Idle time to write swap and trigger CursorHold
 
 -- Searching
 -- ===
-opt.ignorecase = true -- Search ignoring case
-opt.smartcase = true -- Keep case when searching with *
-opt.infercase = true -- Adjust case in insert completion mode
-opt.incsearch = true -- Incremental search
+vim.o.ignorecase = true -- Search ignoring case
+vim.o.smartcase = true -- Keep case when searching with *
+vim.o.infercase = true -- Adjust case in insert completion mode
+vim.o.incsearch = true -- Incremental search
 vim.opt.hlsearch = true -- highlight searched stuff
 
 -- Formatting
 -- ===
 
-opt.wrap = false -- No wrap by default
-opt.linebreak = true -- Break long lines at 'breakat'
-opt.breakat = '\\ \\	;:,!?' -- Long lines break chars
-opt.startofline = false -- Cursor in same column for few commands
-opt.splitbelow = true -- Splits open bottom right
-opt.splitright = true
-opt.breakindentopt = { shift = 2, min = 20 }
-opt.formatoptions = '' -- see :h fo-table & :h formatoptions
+vim.o.wrap = false -- No wrap by default
+vim.o.linebreak = true -- Break long lines at 'breakat'
+vim.o.breakat = '\\ \\	;:,!?' -- Long lines break chars
+vim.o.startofline = false -- Cursor in same column for few commands
+vim.o.splitbelow = true -- Splits open bottom right
+vim.o.splitright = true
+vim.o.breakindentopt = { shift = 2, min = 20 }
+vim.o.formatoptions = '' -- see :h fo-table & :h formatoptions
 vim.opt.breakindent = true
 
 -- Diff
 -- ===
 
-opt.diffopt:append { 'iwhite', 'indent-heuristic', 'algorithm:patience' }
-opt.wildmode = 'longest:full,full' -- Command-line completion mode
+vim.o.diffopt:append { 'iwhite', 'indent-heuristic', 'algorithm:patience' }
+vim.o.wildmode = 'longest:full,full' -- Command-line completion mode
 
 -- Folds
 -- ===
 
-opt.foldlevel = 10 -- start with all folds open
+vim.o.foldlevel = 10 -- start with all folds open
 
 -- Editor UI
 -- ===
 
 vim.o.guifont = 'FiraCode Nerd Font:h15'
-opt.termguicolors = true
-opt.shortmess = 'xsTOInfFitloCaAs'
-opt.showmode = true -- Show mode in cmd window
-opt.scrolloff = 10 -- Keep at least n lines above/below
-opt.sidescrolloff = 10 -- Keep at least n lines left/right
-opt.numberwidth = 2 -- Minimum number of columns to use for the line number
-opt.number = true -- Show line numbers
-opt.relativenumber = true -- Show relative line numbers
-opt.ruler = true -- Default status ruler
-opt.showtabline = 1 -- Don't change this, goes back to a vanilla vim default
-opt.laststatus = 3 -- Always show laststatus
+vim.o.termguicolors = true
+vim.o.shortmess = 'xsTOInfFitloCaAs'
+vim.o.showmode = true -- Show mode in cmd window
+vim.o.scrolloff = 10 -- Keep at least n lines above/below
+vim.o.sidescrolloff = 10 -- Keep at least n lines left/right
+vim.o.numberwidth = 2 -- Minimum number of columns to use for the line number
+vim.o.number = true -- Show line numbers
+vim.o.relativenumber = true -- Show relative line numbers
+vim.o.ruler = true -- Default status ruler
+vim.o.showtabline = 1 -- Don't change this, goes back to a vanilla vim default
+vim.o.laststatus = 3 -- Always show laststatus
 
 -- Sets how neovim will display certain whitespace characters in the editor.
 --  See `:help 'list'`
@@ -116,31 +117,31 @@ if vim.g.neovide == true then
   vim.g.neovide_fullscreen = true
 end
 
-opt.helpheight = 0 -- Disable help window resizing
-opt.winwidth = 30 -- Minimum width for active window
-opt.winminwidth = 1 -- Minimum width for inactive windows
-opt.winheight = 1 -- Minimum height for active window
-opt.winminheight = 1 -- Minimum height for inactive window
+vim.o.helpheight = 0 -- Disable help window resizing
+vim.o.winwidth = 30 -- Minimum width for active window
+vim.o.winminwidth = 1 -- Minimum width for inactive windows
+vim.o.winheight = 1 -- Minimum height for active window
+vim.o.winminheight = 1 -- Minimum height for inactive window
 
-opt.showcmd = false -- show command in status line
-opt.cmdheight = 0
-opt.cmdwinheight = 5 -- Command-line lines
-opt.equalalways = true -- Resize windows on split or close
-opt.colorcolumn = '80' -- Column highlight at textwidth's max character-limit
+vim.o.showcmd = false -- show command in status line
+vim.o.cmdheight = 0
+vim.o.cmdwinheight = 5 -- Command-line lines
+vim.o.equalalways = true -- Resize windows on split or close
+vim.o.colorcolumn = '80' -- Column highlight at textwidth's max character-limit
 
-opt.cursorline = true
-opt.cursorlineopt = { 'number', 'screenline' }
+vim.o.cursorline = true
+vim.o.cursorlineopt = { 'number', 'screenline' }
 
-opt.pumheight = 10 -- Maximum number of items to show in the popup menu
-opt.pumwidth = 10 -- Minimum width for the popup menu
-opt.pumblend = 10 -- Popup blend
+vim.o.pumheight = 10 -- Maximum number of items to show in the popup menu
+vim.o.pumwidth = 10 -- Minimum width for the popup menu
+vim.o.pumblend = 10 -- Popup blend
 
 -- Spelling correction
 -- ===
 
-opt.spell = false -- manually enable spell with `set spell` or `<leader>ts`
-opt.spelllang = 'en,de_de,'
-opt.spellsuggest = 'double,50,timeout:5000'
+vim.o.spell = false -- manually enable spell with `set spell` or `<leader>ts`
+vim.o.spelllang = 'en,de_de,'
+vim.o.spellsuggest = 'double,50,timeout:5000'
 
 -- autocommands
 -- ===
@@ -175,6 +176,7 @@ end ---@diagnostic disable-next-line: undefined-field
 vim.opt.rtp:prepend(lazypath)
 
 require 'custom.maps'
+require 'custom.autocmds'
 require('lazy').setup({
   { import = 'custom.plugins' },
 }, {
diff --git a/lua/custom/autocmds.lua b/lua/custom/autocmds.lua
new file mode 100644
index 0000000..35a8529
--- /dev/null
+++ b/lua/custom/autocmds.lua
@@ -0,0 +1,29 @@
+local augroup = vim.api.nvim_create_augroup('plex_generic_autocmds', {})
+
+-- always use the tex filetype for latex things, as those are most supported by
+-- latex language servers.
+vim.api.nvim_create_autocmd('FileType', {
+  group = augroup,
+  pattern = {
+    'latex',
+    'plaintex',
+  },
+  callback = function()
+    vim.bo.filetype = 'tex'
+  end,
+})
+
+-- conceallevel is what converts things like **bold** to be displayed as bold
+-- without the stars. This is useful, but we might not want it for some
+-- filetypes.
+vim.api.nvim_create_autocmd('FileType', {
+  group = augroup,
+  pattern = {
+    'latex',
+    'plaintex',
+    'tex',
+  },
+  callback = function()
+    vim.opt_local.conceallevel = 0
+  end,
+})