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.devcontainer/devcontainer.json

@@ -17,7 +17,11 @@
         // Install Node.js.
         "ghcr.io/devcontainers/features/node:latest": {},
         // Add the GitHub CLI as a feature (to support the CodeChat Editor).
-        "ghcr.io/devcontainers/features/github-cli:1": {}
+        "ghcr.io/devcontainers/features/github-cli:1": {},
+        // Include Chrome for browser testing. Note: this installs the binary
+        // as `/usr/local/bin/chrome`; postCreateCommand.sh symlinks it to
+        // `google-chrome` so Selenium Manager can find it.
+        "ghcr.io/kreemer/features/chrometesting:1": {}
     },
     // Run this script after the container is created.
     "postCreateCommand": "./.devcontainer/postCreateCommand.sh",

.devcontainer/postCreateCommand.sh

@@ -1,5 +1,13 @@
 #!/usr/bin/env bash
 
+# The chrometesting feature installs the Chrome binary as
+# `/usr/local/bin/chrome`, but `thirtyfour`'s webdriver manager (Selenium
+# Manager) only looks for binaries named `google-chrome`, `chromium-browser`,
+# or `chromium` on Linux. Symlink it so the browser can be found.
+if [ -x /usr/local/bin/chrome ] && [ ! -e /usr/local/bin/google-chrome ]; then
+    sudo ln -s /usr/local/bin/chrome /usr/local/bin/google-chrome
+fi
+
 cd server
 ./bt install --dev
 ./bt build

CHANGELOG.md

@@ -24,7 +24,24 @@ Changelog
 
 * No changes.
 
-Version 0.1.58 -- 2026-Jun-26
+Version 0.1.60 -- 2026-Jul-07
+-----------------------------
+
+* Fix [#113](https://github.com/bjones1/CodeChat_Editor/issues/113) -- when
+  selecting a doc block in the IDE that contains a line wider than the Client's
+  view, the Client scrolled the horizontal scrollbar all the way to the end of
+  the line. This fix only performs vertical scrolling, but leaves the horizontal
+  scroll unchanged.
+* Fix keyboard navigation -- moving between doc blocks and code blocks with
+  arrow keys is now supported.
+* Fix regression -- `id` attributes on HTML elements are no longer blocked.
+* Fix unexpected scrolling when editing doc blocks which exceed the screen
+  height.
+* Update the delimiter when a doc block is updated.
+* Remove highlight around the a doc block when it's being edited, which hides
+  the cursor when the cursor is at the beginning of the line.
+
+Version 0.1.59 -- 2026-Jun-26
 -----------------------------
 
 * Block malicious HTML in source code/Markdown documents.

CLAUDE.md

@@ -0,0 +1,46 @@
+Instructions for Claude Code
+============================
+
+Code blocks and doc blocks
+--------------------------
+
+The CodeChat Editor divides source code into code blocks and documentation (doc)
+blocks. These blocks are separated by newlines. A code block consists of all
+lines in a source file which aren't classified as a doc block. Note that code
+blocks may consist entirely of a comment, as illustrated below.
+
+A doc block consists of a comment (inline or block) optionally preceded by
+whitespace and optionally succeeded by whitespace. At least one whitespace
+character must separate the opening comment delimiter from the doc block text.
+Doc blocks are differentiated by their indent: the whitespace characters
+preceding the opening comment delimiter. Adjacent doc blocks with identical
+indents are combined into a single, larger doc block.
+
+```c
+// This is all one doc block, since only the preceding
+//   whitespace (there is none) matters, not the amount of
+// whitespace following the opening comment delimiters.
+  // This is the beginning of a different doc
+  // block, since the indent is different.
+    // Here's a third doc block; inline and block comments
+    /* combine as long as the whitespace preceding the comment
+delimiters is identical. Whitespace inside the comment doesn't affect
+       the classification. */
+// These are two separate doc blocks,
+void foo();
+// since they are separated by a code block.
+```
+
+Architecture
+------------
+
+A Visual Studio Code extension in `extensions/VSCode` exchanges messages with the CodeChat Editor Server, located in `server/` (also terms the Server), which also exchanges message with the CodeChat Editor Client (also termed the Client) located in `client/`.
+
+Project build
+-------------
+
+All build commands must be executed from the `server/` directory.
+
+* To build the entire project, execute `./bt build`.
+* To build (bundle) only the Client, execute `./bt client-build`.
+* To run tests, execute `cargo test`.

builder/src/main.rs

@@ -380,7 +380,7 @@ fn run_install(dev: bool) -> io::Result<()> {
         cargo fetch --manifest-path=$BUILDER_PATH/Cargo.toml;
         info "VSCode extension: cargo fetch";
         cargo fetch --manifest-path=$VSCODE_PATH/Cargo.toml;
-        info "test_utils: cargo fetch"
+        info "test_utils: cargo fetch";
         cargo fetch --manifest-path=$TEST_UTILS_PATH/Cargo.toml;
         info "cargo fetch";
         cargo fetch;
@@ -437,7 +437,7 @@ fn run_update() -> io::Result<()> {
         cargo update --manifest-path=$BUILDER_PATH/Cargo.toml;
         info "VSCode extension: cargo update";
         cargo update --manifest-path=$VSCODE_PATH/Cargo.toml;
-        info "test_utils: cargo update"
+        info "test_utils: cargo update";
         cargo update --manifest-path=$TEST_UTILS_PATH/Cargo.toml;
         info "cargo update";
         cargo update;
@@ -450,7 +450,7 @@ fn run_update() -> io::Result<()> {
         cargo outdated --manifest-path=$BUILDER_PATH/Cargo.toml;
         info "VSCode extension: cargo outdated";
         cargo outdated --manifest-path=$VSCODE_PATH/Cargo.toml;
-        info "test_utils: cargo outdated"
+        info "test_utils: cargo outdated";
         cargo outdated --manifest-path=$TEST_UTILS_PATH/Cargo.toml;
         info "cargo outdated";
         cargo outdated;
@@ -476,7 +476,7 @@ fn run_format_and_lint(check_only: bool) -> io::Result<()> {
         info "VSCode extension: cargo clippy and fmt";
         cargo clippy --all-targets --all-features --manifest-path=$VSCODE_PATH/Cargo.toml -- $clippy_check_only;
         cargo fmt --all $check --manifest-path=$VSCODE_PATH/Cargo.toml;
-        info "test_utils: cargo clippy and fmt"
+        info "test_utils: cargo clippy and fmt";
         cargo clippy --all-targets --all-features --manifest-path=$TEST_UTILS_PATH/Cargo.toml -- $clippy_check_only;
         cargo fmt --all $check --manifest-path=$TEST_UTILS_PATH/Cargo.toml;
 
@@ -486,7 +486,7 @@ fn run_format_and_lint(check_only: bool) -> io::Result<()> {
         cargo audit --file=$BUILDER_PATH/Cargo.lock --no-fetch;
         info "VSCode extension: cargo audit";
         cargo audit --file=$VSCODE_PATH/Cargo.lock --no-fetch;
-        info "test_utils: cargo audit"
+        info "test_utils: cargo audit";
         cargo audit --file=$TEST_UTILS_PATH/Cargo.lock --no-fetch;
 
         info "cargo sort";
@@ -497,8 +497,8 @@ fn run_format_and_lint(check_only: bool) -> io::Result<()> {
         cd $VSCODE_PATH;
         info "VSCode extension: cargo sort";
         cargo sort $check;
-        info "test_utils: cargo sort"
-        cd $TEST_UTILS_PATH;
+        info "test_utils: cargo sort";
+        cd ../$TEST_UTILS_PATH;
         cargo sort $check;
 
     )?;
@@ -526,7 +526,7 @@ fn run_test() -> io::Result<()> {
         cargo test --manifest-path=$BUILDER_PATH/Cargo.toml;
         info "VSCode extension: cargo test";
         cargo test --manifest-path=$VSCODE_PATH/Cargo.toml;
-        info "test_utils: cargo test"
+        info "test_utils: cargo test";
         cargo test --manifest-path=$TEST_UTILS_PATH/Cargo.toml;
         info "cargo test";
         cargo test;
@@ -613,7 +613,7 @@ fn run_client_build(
         true,
     )?;
 
-    // \<a id="#pdf.js>The PDF viewer for use with VSCode. Build it separately,
+    // <a id="#pdf.js"></a>The PDF viewer for use with VSCode. Build it separately,
     // since it's loaded apart from the rest of the Client.
     run_script(
         &esbuild,

client/package.json5

@@ -43,7 +43,7 @@
         url: 'https://github.com/bjones1/CodeChat_editor',
     },
     type: 'module',
-    version: '0.1.59',
+    version: '0.1.60',
     dependencies: {
         '@codemirror/commands': '^6.10.4',
         '@codemirror/lang-cpp': '^6.0.3',
@@ -62,40 +62,40 @@
         '@codemirror/lang-yaml': '^6.1.3',
         '@codemirror/language': '^6.12.4',
         '@codemirror/legacy-modes': '^6.5.3',
-        '@codemirror/state': '^6.7.0',
-        '@codemirror/view': '^6.43.3',
-        '@hpcc-js/wasm-graphviz': '^1.22.2',
-        '@mathjax/mathjax-newcm-font': '^4.1.2',
+        '@codemirror/state': '^6.7.1',
+        '@codemirror/view': '^6.43.5',
+        '@hpcc-js/wasm-graphviz': '^1.24.1',
+        '@mathjax/mathjax-newcm-font': '^4.1.3',
         codemirror: '^6.0.2',
-        mathjax: '^4.1.2',
-        mermaid: '^11.15.0',
-        'pdfjs-dist': '^6.0.227',
-        tinymce: '^8.6.0',
+        mathjax: '^4.1.3',
+        mermaid: '^11.16.0',
+        'pdfjs-dist': '^6.1.200',
+        tinymce: '^8.7.0',
         'toastify-js': '^1.12.0',
     },
     devDependencies: {
-        '@eslint/css': '^1.3.0',
+        '@eslint/css': '^1.4.0',
         '@eslint/js': '^10.0.1',
         '@types/chai': '^5.2.3',
         '@types/dom-navigation': '^1.0.7',
         '@types/js-beautify': '^1.14.3',
         '@types/mocha': '^10.0.10',
         '@types/node': '^24.13.2',
         '@types/toastify-js': '^1.12.4',
-        '@typescript-eslint/eslint-plugin': '^8.62.0',
-        '@typescript-eslint/parser': '^8.62.0',
+        '@typescript-eslint/eslint-plugin': '^8.62.1',
+        '@typescript-eslint/parser': '^8.62.1',
         chai: '^6.2.2',
         esbuild: '^0.28.1',
-        eslint: '^10.5.0',
+        eslint: '^10.6.0',
         'eslint-config-prettier': '^10.1.8',
         'eslint-plugin-import': '^2.32.0',
         'eslint-plugin-prettier': '^5.5.6',
         globals: '^17.7.0',
         mocha: '^11.7.6',
-        'npm-check-updates': '^22.2.7',
-        prettier: '^3.8.4',
+        'npm-check-updates': '^22.2.9',
+        prettier: '^3.9.4',
         typescript: '^6.0.3',
-        'typescript-eslint': '^8.62.0',
+        'typescript-eslint': '^8.62.1',
     },
     scripts: {
         test: 'echo "Error: no test specified" && exit 1',