add some stuff for LaTeX org export

config.org

@@ -1,8 +1,10 @@
-* Emacs Configuration
+#+TITLE: Emacs Configuration
+#+AUTHOR: Camden Dixie O'Brien
+#+ATTR_LATEX: :float t
 
 Shout out to Harry R. Schwartz; A whole bunch of this config
 (including the idea of embeddeding the lot in an Org document) is
-yanked from [[https://github.com/hts/dotfiles][his dotfiles repo]].
+yanked from [[https://github.com/hrs/dotfiles][his dotfiles repo]].
 
 The rest of this config grabs packages via =use-package=, so that
 needs to be set up to install them if they aren't already.
@@ -12,7 +14,7 @@ needs to be set up to install them if they aren't already.
   (setq use-package-always-ensure t)
 #+end_src
 
-** UI
+* UI
 
   The start-up message gets pretty annoying, so disable that.
 
@@ -41,7 +43,7 @@ don't use them.
     (scroll-bar-mode -1)
   #+end_src
 
-*** Colour Scheme
+** Colour Scheme
 
    Currently using =spacemacs-theme='s light variant, but I prefer a pure
    white background to the off-white it has by default.
@@ -55,7 +57,7 @@ white background to the off-white it has by default.
      (load-theme 'spacemacs-light t)
    #+end_src
 
-*** Font
+** Font
 
    I am addicted to programming ligatures but Fira Code (my preferred
    ligature font) requires some hackery to display properly; this is
@@ -72,7 +74,7 @@ And then make sure that mode is enabled for any =prog-mode= buffer.
      (add-hook 'prog-mode-hook 'fira-code-mode)
    #+end_src
 
-** Magit
+* Magit
 
   =magit= is truly a wonderful creation! Only deviations from defaults
   here are a keybinding for =magit-status= and a maximum length for the
@@ -87,7 +89,7 @@ highlighted).
       (setq git-commit-summary-max-length 50))
   #+end_src
 
-** Language Integrations
+* Language Integrations
 
   Generally, 8-character-wide tabs are not my thing.
 
@@ -96,7 +98,13 @@ Generally, 8-character-wide tabs are not my thing.
     (setq-default basic-offset 4)
   #+end_src
 
-*** C
+  And generally indenting with spaces is more common, so make that the default:
+
+  #+begin_src emacs-lisp
+    (setq-default indent-tabs-mode nil)
+  #+end_src
+
+** C
 
    For C, I like to indent with tabs and align with spaces: this
    behaviour is provided by =smart-tabs-mode=. 
@@ -125,7 +133,7 @@ Meson is my build system of choice for C, but I also use CMake a lot.
      (use-package cmake-mode)
    #+end_src
 
-*** Haskell
+** Haskell
 
    My workflow with Haskell is very REPL-based, so I always want
    =interactive-haskell-mode= on.
@@ -144,7 +152,7 @@ And, of course, that REPL needs to be taking advantage of parallelism!
                    '("-threaded" "+RTS" "-N8" "-RTS"))
    #+end_src
 
-*** Idris
+** Idris
 
    The only thing to change from the defaults here is to add a more
    convenient way to case-split.
@@ -157,7 +165,7 @@ convenient way to case-split.
                    'idris-case-split)))
    #+end_src
 
-*** Rust
+** Rust
 
    I never really use Rust without Cargo, so always turn on the minor
    mode for Cargo in Rust buffers.
@@ -168,7 +176,7 @@ mode for Cargo in Rust buffers.
      (add-hook 'rust-mode-hook 'cargo-minor-mode)
    #+end_src
 
-*** Lisps
+** Lisps
 
    Get =racket-mode= for some Racket-specific things, like searching documentation
 
@@ -204,7 +212,7 @@ enclosing parens.
                         (paredit-mode))))
    #+end_src
 
-** Org-mode
+* Org-mode
 
   I use a couple non-standard bits and pieces, but not a whole bunch. I
   really like the =<s= to insert a source block thing (which was
@@ -238,7 +246,7 @@ Log when tasks were marked =DONE=, just for graphs.
     (setq org-log-done t)
   #+end_src
 
-*** Source Blocks
+** Source Blocks
 
    Pressing tab inside a source block should indent appropriately for its
    language.
@@ -257,7 +265,9 @@ Emacs lisp.
       '((emacs-lisp . t)))
    #+end_src
 
-*** HTML Exporting
+** Exporting
+
+*** HTML
 
 	=htmlize= is needed for decent HTML exporting, and there is no need
 	for all that stuff at the bottom.
@@ -267,7 +277,35 @@ for all that stuff at the bottom.
       (setq org-html-postamble nil)
 	#+end_src
 
-** Music Player
+*** LaTeX
+
+	Use =minted= (LaTeX package) to do syntax highlighting in code blocks:
+
+	#+begin_src emacs-lisp
+      (add-to-list 'org-latex-packages-alist '("" "minted"))
+      (setq org-latex-listings 'minted)
+	#+end_src
+
+	=minted= actually calls =pygments= through the shell, which =pdflatex=
+	doesn't like; you have to tell it not to worry, and that everything is
+	going to be OK.
+
+	#+begin_src emacs-lisp
+      (setq org-latex-pdf-process
+            '("xelatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+              "xelatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+              "xelatex -shell-escape -interaction nonstopmode -output-directory %o %f"))
+	#+end_src
+
+	Also, I don't like Emacs' built-in PDF viewer, so open PDFs in [[https://mupdf.com/][MuPDF]] instead:
+
+	#+begin_src emacs-lisp
+      (eval-after-load "org"
+        '(progn
+           (setcdr (assoc "\\.pdf\\'" org-file-apps) "mupdf %s")))
+	#+end_src
+
+* Music Player
 
   I use MPD because it is clearly the best way to play music; sometimes
   it's nice to control it from Emacs, so I use MPDel for that.