Normally plantuml requires an X11 server. This is not necessary for this plugin and prevents it to work on wsl or server, even if the wsl can open a browser on the host and the server could save the image somewhere. Therefore I've added the headless mode flag to the plantuml call.
Normally plantuml requires an X11 server. This is not necessary for this plugin and prevents it to work on wsl or server, even if the wsl can open a browser on the host and the server could save the image somewhere. Therefore I've added the headless mode flag to the plantuml call.