I've been customizing my bash prompt and I've hit a couple bumps.

The first is, I can't figure out how to make bold text show up in the terminal emulator. The methods I find just make it lighter, but it does support bold as well (as "enable bold text" in the options will tell you); I can't find the escape code to enable it.

The second is I'd like the window title to display the name of the current process (e.g. "firefox" or "lua" if I were to invoke those from the terminal - not "bash"). I can set the title, but since that's done with escape characters in the prompt string, it doesn't get changed until the command finishes, which just won't do. Is there any way to achieve this?