Henning Lorenzen

Add null coalescing operator `%||%` to be introduced with R 4.4.0

1

#### Reference > `L %||% R` newly in **base** is an expressive idiom for the phrases `if(!is.null(L)) L else R or if(is.null(L)) R else L`.

Documentation: Add list of supported Ubuntu / Debian releases to README.md

3

I could not install `deb-get` on the development version of Ubuntu 25.04. [!] ERROR! Ubuntu Plucky is not supported because it is not derived from a supported Debian or Ubuntu...