1) I can get *way* ahead of the keystroke buffer. In particular, if I type 160 characters quickly, it takes svn head 15 seconds to get them all onto the screen. In 4.1.4, on the other hand, DrScheme takes them as fast as I personally can type them, in this case 154 chars in 5 seconds. So, this is at least 3 times as fast, possibly much more.
2) Pasting text from one buffer into another is a particular problem, often taking many seconds.
Perhaps this is a PPC-specific issue? John
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