Better error messages for command not found (was Re: Pull in upstream before 9.1 code freeze?)

[Wojciech Puchar]

> mwm at IPGhosterCrawlerI:~$ mmap
> No command 'mmap' found, did you mean:
> Command 'jmap' from package 'openjdk-6-jdk' (main)
> Command 'jmap' from package 'openjdk-7-jdk' (universe)
> Command 'gmap' from package 'gmap' (multiverse)
> Command 'gmap' from package 'scotch' (universe)
> Command 'tmap' from package 'emboss' (universe)
> Command 'smap' from package 'slurm-llnl' (universe)
> Command 'pmap' from package 'procps' (main)
> Command 'moap' from package 'moap' (universe)
> Command 'umap' from package 'libunicode-map8-perl' (main)
> Command 'map' from package 'sgt-puzzles' (universe)
> Command 'amap' from package 'amap-align' (universe)
> mmap: command not found

are you serious that linux distros have such a think now?
I didn't use linux for a long time and no plan to use it, but you are 
joking isn't it?