Subject: Re: bug#8857: display-buffer attempt to pop-up frame in batch mode causes "Unknown terminal type" error

From: Glenn Morris <[email-masked]>
Date: Tue, 14 Jun 2011 13:20:11 -0400

martin rudalics wrote:

> But I wonder why this wasn't a problem before (that is, the idea of
> popping up a new frame).

I guess because pop-up-frames defaults to nil in Emacs 23.
But in the trunk, a default Emacs may now pop-up a frame if it thinks it
necessary.