On Thu, 19 Sep 2013, Makarius wrote:
On Wed, 18 Sep 2013, Tobias Nipkow wrote:
I just noticed the following behaviour in 705f0b728b1b: When the cursor
remains
fixed in the theory window and I scroll in that window with the help of the
scoll bar, the output window goes blank when the line with the cursor is no
longer visible. I have no idea when that changed but in Isabelle 2013 it
was not
like that - the output would not go blank.
I think it is just a consequence of the major reforms of the document
execution model from this summer. Since this is my own department it will be
easy to address, and not require descending into the dungeons of JDK sources
again. I will come back to this within a few days.
changeset: 53780:ef62204a126b
user: wenzelm
date: Sat Sep 21 20:58:32 2013 +0200
files: src/Tools/jEdit/src/document_view.scala
description:
caret range of active text area counts as visible (e.g. relevant for
Output after scrolling outside of text view);
It remains to be seen if this is exactly the right notion of visibility to
get Output of proof states as expected in most situations.
The point here is that the system gives up old prover output when it is
considered unreachable by GUI components. This conserves scarce JVM
memory resources (see also d598b6231ff7).
Makarius
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