bjones1 · bjones1 · Apr 9, 2026 · Apr 9, 2026 · Apr 9, 2026 · Apr 9, 2026
diff --git a/.gitignore b/.gitignore
@@ -21,3 +21,5 @@
 #
 # dist build output
 target/
+
+# CodeChat Editor lexer: python. See TODO.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -24,13 +24,22 @@ Changelog
 
 * No changes.
 
-Version 0.1.51 -- 2025-Feb-18
+Version 0.1.52 -- 2026-Apr-09
+-----------------------------
+
+* Fix losing last typed character when receiving a translation while a TinyMCE
+  edit is pending.
+* Avoid unnecessary and distracting scrolling to the top of a doc block when
+  focusing the doc block.
+* When first switching to a file, restore the cursor position from VSCode.
+
+Version 0.1.51 -- 2026-Feb-18
 -----------------------------
 
 * Revert back to working version of CodeMirror.
 * Updates to other libraries.
 
-Version 0.1.50 -- 2025-Feb-05
+Version 0.1.50 -- 2026-Feb-05
 -----------------------------
 
 * First and second-level heading underlines are now sized based on the heading's

diff --git a/client/package.json5 b/client/package.json5
@@ -43,7 +43,7 @@
         url: 'https://github.com/bjones1/CodeChat_editor',
     },
     type: 'module',
-    version: '0.1.51',
+    version: '0.1.52',
     dependencies: {
         '@codemirror/commands': '^6.10.3',
         '@codemirror/lang-cpp': '^6.0.3',
@@ -77,13 +77,13 @@
         '@types/dom-navigation': '^1.0.7',
         '@types/js-beautify': '^1.14.3',
         '@types/mocha': '^10.0.10',
-        '@types/node': '^24.12.0',
+        '@types/node': '^24.12.2',
         '@types/toastify-js': '^1.12.4',
-        '@typescript-eslint/eslint-plugin': '^8.58.0',
-        '@typescript-eslint/parser': '^8.58.0',
+        '@typescript-eslint/eslint-plugin': '^8.58.1',
+        '@typescript-eslint/parser': '^8.58.1',
         chai: '^6.2.2',
         esbuild: '^0.28.0',
-        eslint: '^10.1.0',
+        eslint: '^10.2.0',
         'eslint-config-prettier': '^10.1.8',
         'eslint-plugin-import': '^2.32.0',
         'eslint-plugin-prettier': '^5.5.5',
@@ -92,7 +92,7 @@
         'npm-check-updates': '^20.0.0',
         prettier: '^3.8.1',
         typescript: '^6.0.2',
-        'typescript-eslint': '^8.58.0',
+        'typescript-eslint': '^8.58.1',
     },
     scripts: {
         test: 'echo "Error: no test specified" && exit 1',

diff --git a/client/pnpm-lock.yaml b/client/pnpm-lock.yaml
diff --git a/client/src/CodeChatEditor.mts b/client/src/CodeChatEditor.mts
@@ -15,7 +15,7 @@
 // [http://www.gnu.org/licenses](http://www.gnu.org/licenses).
 //
 // `CodeChatEditor.mts` -- the CodeChat Editor Client
-// =============================================================================
+// ==================================================
 //
 // The overall process of load a file is:
 //
@@ -39,7 +39,7 @@
 //    writes this code to the disk.
 //
 // Imports
-// -----------------------------------------------------------------------------
+// -------
 //
 // ### JavaScript/TypeScript
 //
@@ -78,7 +78,7 @@ import { show_toast } from "./show_toast.mjs";
 import "./css/CodeChatEditor.css";
 
 // Data structures
-// -----------------------------------------------------------------------------
+// ---------------
 //
 // <a id="EditorMode"></a>Define all possible editor modes; these are passed as
 // a [query string](https://en.wikipedia.org/wiki/Query_string)
@@ -119,7 +119,7 @@ declare global {
 }
 
 // Globals
-// -----------------------------------------------------------------------------
+// -------
 //
 // The ID of the autosave timer; when this timer expires, the document will be
 // autosaved.
@@ -145,7 +145,7 @@ export const set_is_dirty = (value: boolean = true) => {
 export const get_is_dirty = () => is_dirty;
 
 // Page initialization
-// -----------------------------------------------------------------------------
+// -------------------
 
 // This is copied from
 // [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document/DOMContentLoaded_event#checking_whether_loading_is_already_complete).
@@ -160,7 +160,7 @@ export const on_dom_content_loaded = (on_load_func: () => void) => {
 };
 
 // File handling
-// -----------------------------------------------------------------------------
+// -------------
 //
 // True if this is a CodeChat Editor document (not a source file).
 const is_doc_only = () => {
@@ -169,13 +169,13 @@ const is_doc_only = () => {
     return current_metadata?.["mode"] === "markdown";
 };
 
-// Wait for the DOM to load before opening the file.
 const open_lp = async (
     codechat_for_web: CodeChatForWeb,
     is_re_translation: boolean,
     cursor_line?: number,
     scroll_line?: number,
 ) =>
+    // Wait for the DOM to load before opening the file.
     await new Promise<void>((resolve) =>
         on_dom_content_loaded(async () => {
             await _open_lp(
@@ -216,10 +216,16 @@ const _open_lp = async (
     // render is finished.
     await window.MathJax.startup.promise;
 
-    // The only the `await` is based on TinyMCE init, which should only cause an
-    // async delay on its first execution. (Even then, I'm not sure it does,
-    // since all resources are statically imported). So, we should be OK for the
-    // rest of this function.
+    // Process any pending events before proceeding. Sometimes, TinyMCE has a
+    // pending edit that hasn't been processed yet, meaning the `is_dirty` flag
+    // is incorrect.
+    tinymce.activeEditor?.save();
+    await new Promise((resolve) => setTimeout(resolve, 0));
+
+    // The only call to `await` is based on TinyMCE init, which should only
+    // cause an async delay on its first execution. (Even then, I'm not sure it
+    // does, since all resources are statically imported). So, we should be OK
+    // for the rest of this function.
     //
     // Now, make all decisions about `is_dirty`: if the text is dirty, do some
     // special processing; simply applying the update could cause either data
@@ -561,7 +567,7 @@ const clearAutosaveTimer = () => {
 };
 
 // Navigation
-// -----------------------------------------------------------------------------
+// ----------
 //
 // The TOC and this page calls this when a hyperlink is clicked. This saves the
 // current document before navigating.
@@ -704,7 +710,7 @@ on_dom_content_loaded(async () => {
 });
 
 // Testing
-// -----------------------------------------------------------------------------
+// -------
 //
 // A great and simple idea taken from
 // [SO](https://stackoverflow.com/a/54116079): wrap all testing exports in a

diff --git a/client/src/CodeChatEditorFramework.mts b/client/src/CodeChatEditorFramework.mts
@@ -15,7 +15,7 @@
 // [http://www.gnu.org/licenses](http://www.gnu.org/licenses).
 //
 // `CodeChatEditorFramework.mts` -- the CodeChat Editor Client Framework
-// =============================================================================
+// =====================================================================
 //
 // This maintains a websocket connection between the CodeChat Editor Server. The
 // accompanying HTML is a full-screen iframe, allowing the Framework to change
@@ -24,7 +24,7 @@
 // location changes.
 //
 // Imports
-// -----------------------------------------------------------------------------
+// -------
 //
 // ### Third-party
 import ReconnectingWebSocket from "./third-party/ReconnectingWebSocket.cjs";
@@ -49,7 +49,7 @@ import {
 import { ResultErrTypes } from "./rust-types/ResultErrTypes.js";
 
 // Websocket
-// -----------------------------------------------------------------------------
+// ---------
 //
 // This code communicates with the CodeChat Editor Server via its websocket
 // interface.
@@ -167,7 +167,7 @@ class WebSocketComm {
                         if (contents !== undefined) {
                             // Check and update the version. If this is a diff,
                             // ensure the diff was made against the version of
-                            // the file we have. Ignore re-translation version errors, instead ignoring the update.
+                            // the file we have.
                             if ("Diff" in contents.source) {
                                 if (
                                     contents.source.Diff.version !==

diff --git a/client/src/CodeMirror-integration.mts b/client/src/CodeMirror-integration.mts
@@ -46,7 +46,7 @@
 // 5. Define a set of StateEffects to add/update/etc. doc blocks.
 //
 // Imports
-// -----------------------------------------------------------------------------
+// -------
 //
 // ### Third-party
 import { basicSetup } from "codemirror";
@@ -104,7 +104,7 @@ import { assert } from "./assert.mjs";
 import { show_toast } from "./show_toast.mjs";
 
 // Globals
-// -----------------------------------------------------------------------------
+// -------
 let current_view: EditorView;
 // This indicates that a call to `on_dirty` is scheduled, but hasn't run yet.
 let on_dirty_scheduled = false;
@@ -137,7 +137,7 @@ const exceptionSink = EditorView.exceptionSink.of((exception) => {
 });
 
 // Doc blocks in CodeMirror
-// -----------------------------------------------------------------------------
+// ------------------------
 //
 // The goal: given a [Range](https://codemirror.net/docs/ref/#state.Range) of
 // lines containing a doc block (a delimiter, indent, and contents) residing at
@@ -648,14 +648,15 @@ const on_dirty = (
     });
 };
 
+// Handle cursur movement and mouse selection in a doc block.
 export const DocBlockPlugin = ViewPlugin.fromClass(
     class {
         constructor(_view: EditorView) {}
         update(update: ViewUpdate) {
             // If the editor doesn't have focus, ignore selection changes. This
             // avoid the case where cursor movement in the IDE produces
             // selection changes in the Client, which then steals focus. TODO:
-            // with the editor isn't focused, highlight the relevant line or
+            // when the editor isn't focused, highlight the relevant line or
             // something similar.
             if (update.selectionSet && update.view.hasFocus) {
                 // See if the new main selection falls within a doc block.
@@ -690,7 +691,7 @@ export const DocBlockPlugin = ViewPlugin.fromClass(
                                 return;
                             }
 
-                            // TODO: current, posToDom never gives us a doc
+                            // TODO: currently, posToDom never gives us a doc
                             // block, even when the from/to is correct. So, we
                             // never get here.
                             (dom.childNodes[1] as HTMLElement).focus();
@@ -811,7 +812,10 @@ export const DocBlockPlugin = ViewPlugin.fromClass(
                         // This process causes TinyMCE to lose focus. Restore
                         // that. However, this causes TinyMCE to lose the
                         // selection, which the next bit of code then restores.
-                        tinymce.activeEditor!.focus(false);
+                        // When the doc block is longer than a screen, omitting
+                        // the `preventScroll` parameter causes this to scroll
+                        // to the top of the doc block, which is incorrect.
+                        tinymce_div.focus({ preventScroll: true });
 
                         // Copy the selection over to TinyMCE by indexing the
                         // selection path to find the selected node.
@@ -825,7 +829,7 @@ export const DocBlockPlugin = ViewPlugin.fromClass(
 );
 
 // UI
-// -----------------------------------------------------------------------------
+// --
 //
 // There doesn't seem to be any tracking of a dirty/clean flag built into
 // CodeMirror v6 (although

diff --git a/extensions/VSCode/Cargo.lock b/extensions/VSCode/Cargo.lock
diff --git a/extensions/VSCode/Cargo.toml b/extensions/VSCode/Cargo.toml
@@ -32,7 +32,7 @@ license = "GPL-3.0-only"
 name = "codechat-editor-vscode-extension"
 readme = "../README.md"
 repository = "https://github.com/bjones1/CodeChat_Editor"
-version = "0.1.51"
+version = "0.1.52"
 
 [lib]
 crate-type = ["cdylib"]
-Original file line number
+Diff line change
@@ Expand Up / @@ -21,3 +21,5 @@ @@
     #
     # dist build output
     target/
+    # CodeChat Editor lexer: python. See TODO.