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lang/latex

Table of Contents

Description

Provide a helping hand when working with LaTeX documents.

  • Sane defaults
  • Fontification of many popular commands
  • Pretty indentation of wrapped lines using the adaptive-wrap package
  • Spell checking with flycheck
  • Change PDF viewer to Okular or latex-preview-pane
  • Bibtex editor
  • Autocompletion using company-mode
  • Compile your .tex code only once using LatexMk

Module Flags

  • +latexmk Use LatexMk instead of LaTeX to compile documents.
  • +cdlatex Enable cdlatex for fast math insertion.
  • +lsp Start LSP automatically in `tex-mode-hook`. This requires the :tools lsp module. Supported servers are `digestif` and `TexLab`.
  • +fold Use TeX-fold (from auctex) to fold LaTeX macros to unicode, and make folding hook-based and less manual.

Plugins

Prerequisites

You will need ghostscript and a latex compiler. All this is provided by the texlive bundle, available through many OS package managers.

Ghostscript <= 9.27 is reported buggy and doesn’t work with auctex’s math previews. (You can check you ghostscript version with gs --version.) Most package managers already have newer versions, but if not you might have to build gs from source.

Ubuntu

apt-get install texlive

Arch Linux

pacman -S texlive

macOS

brew cask install basictex
# If the above doesn't work, then
brew cask install mactex  # WARNING: large 4gb download!

This has not been verified.

NixOS

environment.systemPackages = [ pkgs.texlive.combined.scheme-medium ];

Features

Customization

Specifying the location of a bibtex file & corresponding PDFs

Reftex has a variable that allow you to specify where it should find your bibliography file(s):

(setq reftex-default-bibliography "/your/bib/file.bib")

Changing the PDFs viewer

This module provides integration for four supported pdf viewers. They are

  • Skim.app (MacOS only)
  • Evince
  • Sumatra PDF
  • Zathura
  • Okular
  • pdf-tools (requires :tools pdf module)

They are searched for in this order. See +latex-viewers to change the order, or remove tools from the search altogether. If you want to exclusively use one tool, for instance:

(setq +latex-viewers '(zathura))

If none of these tools are found, latex-preview-pane (uses DocView in Emacs) is used as a fallback. You can use this exclusively by setting +latex-viewers to nil.

Using cdlatex’s snippets despite having yasnippet

cdlatex has a snippet insertion capability which is disabled in favor of yasnippet when using :editor snippets. If you still wanna use it, simply rebind the TAB key for cdlatex, which takes care of snippet-related stuff:

(map! :map cdlatex-mode-map
    :i "TAB" #'cdlatex-tab)

This would favor yasnippet’s expansion and cursor movement over cdlatex’s expansion and movement, but that shouldn’t matter if you’re not using yasnippet in latex buffers.