Include both links for extension

Author: cwickham

docs/authoring/diagrams.qmd

@@ -94,7 +94,7 @@ There are a variety of tools available to improve your productivity authoring di
 
 3)  [RStudio](https://www.rstudio.com/products/rstudio/download/) includes support for editing and previewing `.mmd` and `.dot` files (with help from the [DiagrammeR](https://rich-iannone.github.io/DiagrammeR/) package).
 
-4)  The [Quarto VS Code Extension](https://marketplace.visualstudio.com/items?itemName=quarto.quarto) (also bundled with Positron from [Open VSX](https://open-vsx.org/extension/quarto/quarto) supports live preview of diagrams embedded in `.qmd` files and in `.mmd` and `.dot` files:
+4)  The Quarto Extension for VS Code and Positron (available on both [OpenVSX](https://open-vsx.org/extension/quarto/quarto) and [Microsoft's marketplace](https://marketplace.visualstudio.com/items?itemName=quarto.quarto)) supports live preview of diagrams embedded in `.qmd` files and in `.mmd` and `.dot` files:
 
     ![](images/vscode-graphviz.gif){.border fig-alt="A Quarto document being edited in Visual Studio Code, with a live preview of the currenly edited diagram shown in a pane to the right"}
 

docs/dashboards/interactivity/shiny-python/running.qmd

@@ -17,7 +17,7 @@ We'll cover all of these scenarios in depth here.
 
 ## VS Code and Positron
 
-The [Quarto VS Code Extension](https://open-vsx.org/extension/quarto/quarto) provides integrated support for previewing Shiny interactive documents (just use the **Quarto: Preview** command as you normally would with a static document):
+The Quarto Extension for VS Code and Positron (available on both [OpenVSX](https://open-vsx.org/extension/quarto/quarto) and [Microsoft's marketplace](https://marketplace.visualstudio.com/items?itemName=quarto.quarto)) provides integrated support for previewing Shiny interactive documents (just use the **Quarto: Preview** command as you normally would with a static document):
 
 ![](images/preview-dashboard.png){.border fig-alt="Screenshot of VS Code with the file shiny.qmd open in the left pane. On the right is a pane labelled Quarto Preview showing the live dashboard."}
 

docs/extensions/lua.qmd

@@ -68,7 +68,7 @@ To get started with using VS Code or Positron for Lua extension development, ins
 
 1.  Install the latest version (v1.2 or greater) of [Quarto](/docs/download/index.qmd)
 
-2.  Install the latest version (v1.40.0 or greater) of the [Quarto VS Code Extension](https://open-vsx.org/extension/quarto/quarto).
+2.  Install the latest version (v1.40.0 or greater) of the Quarto Extension (available on both [OpenVSX](https://open-vsx.org/extension/quarto/quarto) and [Microsoft's marketplace](https://marketplace.visualstudio.com/items?itemName=quarto.quarto)) .
 
 3.  For Lua code intelligence, install the [Lua LSP VS Code Extension](https://open-vsx.org/extension/sumneko/lua).