Minor fixes in docs and check for :lang lsp.

docs/modules.org

@@ -114,7 +114,7 @@ Modules that bring support for a language or group of languages to Emacs.
 + [[file:../modules/lang/javascript/README.org][javascript]] =+lsp= - JavaScript, TypeScript, and CoffeeScript support
 + julia - TODO
 + kotlin =+lsp+= - TODO
-+ [[file:../modules/lang/latex/README.org][latex]] =+latexmk +cdlatex= - TODO
++ [[file:../modules/lang/latex/README.org][latex]] =+latexmk +cdlatex= =+lsp= - TODO
 + lean - TODO
 + [[file:../modules/lang/ledger/README.org][ledger]] - TODO
 + lua =+moonscript= - TODO

modules/lang/latex/README.org

@@ -30,7 +30,8 @@ Provide a helping hand when working with LaTeX documents.
 ** Module Flags
 + =+latexmk= Use LatexMk instead of LaTeX to compile documents.
 + =+cdlatex= Enable [[https://github.com/cdominik/cdlatex][cdlatex]] for fast math insertion.
-+ =+lsp= Start LSP automatically in `tex-mode-hook`.
++ =+lsp= Start LSP automatically in `tex-mode-hook`. This
+  requires the =:tools lsp= module.
 
 ** Plugins
 + [[http://www.gnu.org/software/auctex/][auctex]]

modules/lang/latex/config.el

@@ -181,11 +181,9 @@ If no viewers are found, `latex-preview-pane' is used.")
   (add-to-list '+latex--company-backends #'+latex-symbols-company-backend nil #'eq))
 
 (after! tex-mode
-  (when (featurep! +lsp)
+  (when (and (featurep! +lsp) (featurep! :tools lsp))
     (add-hook 'tex-mode-local-vars-hook #'lsp!)
-    (add-hook 'latex-mode-local-vars-hook #'lsp!)
-    (after! yatex
-      (add-hook 'yatex-mode-local-vars-hook #'lsp!))))
+    (add-hook 'latex-mode-local-vars-hook #'lsp!)))
 
 ;; bibtex + reftex
 (load! "+ref")