&4AF80 - Message_LaunchURL or Message_OpenURL?

Has the name of Wimp message &4AF80 been “standardised” anywhere? Two of my apps use it, but one calls it Message_LaunchURL and the other calls it Message_OpenURL.

I can’t find it named or documented on this site.

I know it’s not very important, but if there are documents anywhere (maybe from the Acorn era), I’d simply like to follow the convention.

A quick poke around the source tree yields a couple of references to OpenURL and none to LaunchURL… but one of those references was in a third-party component and the other was in a comment so they’re hardly official!

Thanks, Chris. I’ve also received a priv-mail referencing a very old document that states “wimp_MOPENURL”, so everything unearthed so far points in the same direction.