VS Code: decoration-based matching, Ctrl+K bindings, README overhaul (from dev f84517152b7f)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

doc/install/linux_container_install.md

@@ -114,12 +114,13 @@ primitive klammers (`@read`, `@eval`, `@cond`), use `-k none`.
 ## Editor support (Emacs, Sublime Text)
 
 Editing Klammertext is nicer with editor support: syntax highlighting,
-delimiter matching, and indentation for Emacs and Sublime Text. It is not
+delimiter matching, indentation, table alignment, and diagnostics for
+Emacs, Sublime Text, Vim, and Visual Studio Code. It is not
 inside the container image — it belongs on your machine, next to your editor.
 Download it from either place:
 
-- <https://andykopra.com/Klammertext_editing.zip> — unpacks to `emacs/` and
-  `sublime/` folders
+- <https://andykopra.com/Klammertext_editing.zip> — unpacks to `emacs/`,
+  `sublime/`, `vim/`, and `vscode/` folders, each self-contained
 - the Klammertext source repository,
   <https://git.andykopra.com/ack/klammertext>, directory `doc/edit/`
 

doc/install/macos_container_install.md

@@ -148,12 +148,13 @@ That's it — you're running Klammertext.
 ## Editor support (Emacs, Sublime Text)
 
 Editing Klammertext is nicer with editor support: syntax highlighting,
-delimiter matching, and indentation for Emacs and Sublime Text. It is not
+delimiter matching, indentation, table alignment, and diagnostics for
+Emacs, Sublime Text, Vim, and Visual Studio Code. It is not
 inside the container image — it belongs on your Mac, next to your editor.
 Download it from either place:
 
-- <https://andykopra.com/Klammertext_editing.zip> — unpacks to `emacs/` and
-  `sublime/` folders
+- <https://andykopra.com/Klammertext_editing.zip> — unpacks to `emacs/`,
+  `sublime/`, `vim/`, and `vscode/` folders, each self-contained
 - the Klammertext source repository,
   <https://git.andykopra.com/ack/klammertext>, directory `doc/edit/`