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From: RWS@ZERMATT.LCS.MIT.EDU (Robert Scheifler)
Newsgroups: comp.windows.x
Subject: ClipMode & V11
Message-ID: <870603084251.0.RWS@KILLINGTON.LCS.MIT.EDU>
Date: Wed, 3-Jun-87 08:42:00 EDT
Article-I.D.: KILLINGT.870603084251.0.RWS
Posted: Wed Jun  3 08:42:00 1987
Date-Received: Sat, 6-Jun-87 20:48:15 EDT
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ClipMode still exists in V11, as the subwindow-mode of a graphics context.

It still exists because I don't know a reasonable way to support
rubber-banding without it, and there are other uses for overlays that
span window boundaries.  The NeWS abstraction of an overlay is
interesting, but I'm not yet convinced it suffices (viz., it seems to
have an extremely weak semantics in NeWS).