.md files that are Markdown documents have launchers created

[Miss-Inputs]

To be precise, this happens when a multi-system emulator that supports Megadrive (e.g. Kega Fusion) is used for another system (e.g. Master System).

Could be solved in a few ways:

• Somehow detect that a .md file is text and not a Megadrive ROM. This would be clunky and I'm not sure at what point in the code I would do this.
• Split Kega Fusion into multiple emulators in emulator_info like what has been done for Mednafen and MAME, e.g. Kega Fusion (Mega Drive) and Kega Fusion (Master System) or something
• Add some kind of "valid extensions for the whole system" thing in system_info that filters out files without that extension, no matter what emulators do or don't support.

[Miss-Inputs]

Hmm.... fourth option.

Just give Kega Fusion a custom get_command_line() that does something like "if platform != Megadrive/Mega CD and extension != md; reject ROM", and while we're at it, "if platform == Mega CD and extension == bin, reject ROM". Should work. I think. I'll see if I'm up for that tomorrow.

[Miss-Inputs]

I mean, that won't really work long term, it'll just fix Kega Fusion. But it'd do the job, and it may be that only Kega Fusion needs to worry about this. Maybe.