On 09/22/2016 11:04 AM, Leif Halvard Silli wrote:
Now I connnected my MacBook to my external monitor {EIZO, model S2001W,
20 inches(1680 x 1050). Graphics processor is Intel HD Graphics 5300
1536 MB}, and I can now confirm that the issue is indeed related to use
of my secondary screen.

The description of this known Apple Java 6 bug was:
When using Apple Java 6 on a non-Retina Mac running El Capitan, scrolling quickly ANY scrolled view garbles this view.

We have added a workaround for this bug as of version 6.7 (April 11, 2016). See http://www.xmlmind.com/xmleditor/changes.html#v6.7.0:
Bug fixes:


- Added a workaround for an Apple Java bug which caused any scrolled window (not only the document view) to become garbled when scrolling quickly. This bug seems to be specific to Apple Java and to non-Retina Macs running El Capitan.

However, we have reproduced the issue you have reported on Retina Mac connected to a secondary non-Retina screen like your Eizo (which is the same as a non-Retina Mac).

So it seems that we forgot to add the workaround for the scrolled view of the XML source. Sorry for this omission! (Any other scrolled view works fine, we have tested that too.)

So the bug you have uncovered is now:
When using Apple Java 6 on a non-Retina Mac running El Capitan, scrolling quickly the XML source view garbles this view.

We'll probably not add the workaround to the scrolled view of the XML source view. We'll probably stop supporting Apple Java 6 as of XMLmind XML Editor v7.2/macOS Sierra.

Please remember that the issue you have reported is specific to Apple Java 6. There is no such problem with Oracle Java 8. So please carefully read the end of this email to learn about a simple and quick solution to the problem.

I have had this screen for some years. But I am 99% certain that the
issue is a new one. My guess is that it is related to the new Edit
Source plug-in.

We don't think so.

As you perhaps remember, I did not use the first
released version of the Edit Source plug-in because it was, if I recall
correctly, incompatible with Mac OSX’ Undo function. Thus the issue
might have been presenent from the first version of the Edit Source
plug-in - however I did not use that version.

This "Undo bug" (unrelated with the above one) has been fixed in version 7.1 (August 22, 2016). See http://www.xmlmind.com/xmleditor/changes.html#v7.1.0:

Bug fixes:

- When the "Edit source" add-on was installed (which is the case by default), the keyboard shortcuts (Ctrl-Z, Ctr-Y, etc) corresponding to the following Edit menu items were not available: Undo, Redo, Cut, Copy, Paste, Delete.

To replay the issue, I opened
http://www.pixware.fr/_download/xxe-pro-7_1_0/changes.html in XMLMind
XML Editor and saved it on my mac, disabling the revisions. I then
opened source view. I attach a small screenshot and the about-info from
XMLMind XML Editor.

Thanks. As already explained, we managed to reproduce this bug using a working environment very close to yours.

Leif Halvard Silli also wrote:
Btw, yes, my MacBook has a retina monitor. However, I often connect my MacBook 
to an external monitor - which does not have a retina screen. Right now I am 
not connected to that monitor. I will hook up to that monitor and make a new 
brief test.

Btw, as for Java, I have the recommended version from Java.com - version 8 
update 101. And it does not seem like I have Apple Java installed at all.

BUT...the info you sent us shows that XMLmind XML Editor is using an Apple Java 6 runtime installed somewhere on your computer:
<h2>Java™ runtime</h2>
<li>Java(TM) SE Runtime Environment 1.6.0_65</li>
<li>Java HotSpot(TM) 64-Bit Server VM 20.65-b04-468</li>
<li>Mac OS X 10.11.6 x86_64</li>

Please uninstall the Apple Java 6 runtime by running the following commands in a Terminal:

sudo rm -rf /System/Library/Java/JavaVirtualMachines/1.6.0.jdk
sudo rm -rf /Library/Java/JavaVirtualMachines/1.6.0*.jdk

and the issue you have reported should go away. We can say that because we have tested this solution on a Retina Mac connected to a secondary non-Retina screen like your Eizo.

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