fix #4668, fix #4719, #7693 -- use browser spellcheck for latex in all cases

Author: williamstein

src/packages/frontend/file-associations.ts

@@ -202,7 +202,7 @@ file_associations["noext-dockerfile"] = {
 file_associations["tex"] = {
   editor: "latex",
   icon: "tex-file",
-  opts: { mode: "stex2", indent_unit: 2, tab_size: 2 },
+  opts: { mode: "stex2", indent_unit: 2, tab_size: 2, spellcheck: true },
   name: "LaTeX",
   exclude_from_compute_server: true,
 };

src/packages/frontend/frame-editors/latex-editor/actions.ts

@@ -140,7 +140,8 @@ export class Actions extends BaseActions<LatexEditorState> {
       this._init_syncstring_value();
       this.init_ext_path(); // must come after syncstring init
       this.init_latexmk();
-      this._init_spellcheck();
+      // This breaks browser spellcheck.
+      // this._init_spellcheck();
       this.init_config();
       if (!this.knitr) {
         this.output_directory = this.output_directory_path();

src/packages/frontend/frame-editors/latex-editor/editor.ts

@@ -14,7 +14,7 @@ import { CodemirrorEditor } from "../code-editor/codemirror-editor";
 import { createEditor } from "../frame-tree/editor";
 import { EditorDescription } from "../frame-tree/types";
 import { TableOfContents } from "../markdown-editor/table-of-contents";
-import { SETTINGS_SPEC } from "../settings/editor";
+//import { SETTINGS_SPEC } from "../settings/editor";
 import { terminal } from "../terminal-editor/editor";
 import { time_travel } from "../time-travel-editor/editor";
 import { Build } from "./build";
@@ -188,7 +188,7 @@ const EDITOR_SPEC = {
   latex_table_of_contents,
   word_count,
   terminal,
-  settings: SETTINGS_SPEC,
+  //settings: SETTINGS_SPEC,
   time_travel,
   // See https://github.com/sagemathinc/cocalc/issues/5114
   ...(!IS_IPAD && !IS_IOS ? { pdf_embed } : undefined),