--- a/src/Tools/VSCode/extension/src/extension.ts Wed Mar 02 16:08:17 2022 +0100
+++ b/src/Tools/VSCode/extension/src/extension.ts Wed Mar 02 16:46:16 2022 +0100
@@ -32,7 +32,7 @@
const isabelle_args =
["-o", "vscode_unicode_symbols", "-o", "vscode_pide_extensions"]
.concat(vscode_lib.get_configuration<Array<string>>("args"))
- .concat(roots.length > 0 && workspace_dir !== undefined ? ["-D", workspace_dir] : [])
+ .concat(roots.length > 0 && workspace_dir ? ["-D", library.standard_path(workspace_dir)] : [])
const server_options: ServerOptions =
platform.is_windows() ?