I have to enable `hl-todo-mode` in LaTeX-mode?

Question

Currenty I am on LaTeX-mode-hook and added following line global-hl-todo-mode into .emacs file to use hl-todo. On its readme it says:

To highlight keywords turn on hl-todo-mode in individual buffers or use the the global variant global-hl-todo-mode.

My setup:

; L A T E X ;
(setq LaTeX-item-indent 0)
(add-hook 'LaTeX-mode-hook 'turn-on-auto-fill)
(add-hook 'LaTeX-mode-hook 'hl-todo-mode)
(require 'tex)

(add-hook 'LaTeX-mode-hook (lambda ()
  (TeX-global-PDF-mode t)
  (global-hl-todo-mode t)  ; <= added here
  ))

(global-hl-todo-mode 1) ; <= added bottom of the page

---

When I open emacs -nw file.tex, I need to disable and than re-enable global-hl-todo-mode in order to use it. Is there any way to fix this issue?

Please note that, this was working perfectly fine in python-mode.

Answer 1

I had a similar problem with AUCTeX and fic-mode. It's caused by the style-hooks executed by AUCTeX after loading the file. You can enable your minor mode in the TeX-update-style-hook, see. this TeX stackexchange question.

Answer 2

The question is: do you want hl-todo-mode to be turned on for every mode that is allowed by hl-todo-include-mode (by default that is prog-mode and text-mode) except for the excluded modes in hl-todo-exclude-mode (by default, org-mode)? OR you just want it turned on for LaTeX-mode?

If the former, then add

(global-hl-todo-mode)

in your init file (.emacs or .emacs.d/init.el).

If you only want it for LaTeX-mode, then add

(add-hook 'LaTeX-mode-hook #'hl-todo-mode)

to your init file.

EDIT in response to the OP's comment:

Something else is interfering. Try with emacs -q -l minimal.el where minimal.el does the following:

(add-to-list `load-path "/path/to/hl-todo-mode.el")
(load-library "hl-todo-mode")
(global-hl-todo-mode)

and then open a tex file and type TODO: it should be properly fontified with the following text properties (which you can check with C-u C-x = while your cursor is on that word):

  face                 (:inherit hl-todo :foreground "#cc9393")
  fontified            t

Assuming that that is the case (as it is in my tests), there is something in your init file that breaks this: bisect through it to determine what is doing the breakage.