Docs: some betterments around VSCode and formatting.

Point out that Rewrap is an option for line wrapping, once black does
not handle it all. Finally, cite a better option to handle multiple
Python venvs in that editor.

docs/development.md

@@ -27,7 +27,10 @@ Follow the [instal](install.md) steps to prepare the source code. Then follow th
 
 ### Visual Studio Code
 
-First, click on the Python version at the bottom left and enter the path where the above command was issued. This will point the Code to the Poetry virtual environment.
+First, click on the Python version at the bottom left of the editor's
+window and enter the path where the above command was issued. This
+will point the currenly workspace to use the correct Poetry virtual
+environment.
 
 Make sure below settings are in root level of `.vscode/settings.json`.
 
@@ -78,7 +81,14 @@ Then run `M-x add-dir-local-variable RET python-mode RET pyvenv-activate RET <pa
 ### Other setups
 
 - Install and enable [ShellCheck](https://github.com/koalaman/shellcheck) to find bash errors locally.
-- If you need to update the documentation, it is recommended to install the extension [Markdown All in One](https://marketplace.visualstudio.com/items?itemName=yzhang.markdown-all-in-one). It helps to maintain the table of contents in the documentation.
+- If there is need to update the documentation, it is recommended to
+  install the extension [Markdown All in
+  One](https://marketplace.visualstudio.com/items?itemName=yzhang.markdown-all-in-one).
+  It helps to maintain the table of contents in the documentation.
+- While the black formatter does not handle long comments and the like
+  well (https://github.com/psf/black/issues/1331), you might want to
+  use the VSCode extension "Rewrap" manually, instead
+  (https://marketplace.visualstudio.com/items?itemName=stkb.rewrap).
 
 ## Code guideline