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bug#7012: 24.0.50; bidi: crash while selecting region using mouse in X11
From: |
Thamer Mahmoud |
Subject: |
bug#7012: 24.0.50; bidi: crash while selecting region using mouse in X11 |
Date: |
Wed, 22 Sep 2010 05:56:43 +0300 |
I think this crash may be a font-related issue, as I can't reproduce
it while using Microsoft Core fonts (Times New Roman, Courier New,
etc).
I also did some testing with a virtual Windows XP (through QEMU), and
the crash is reproducible there. I just had to choose the font
"Courier" from the "Set Default Font" dialogue, then select the
content of the testcase.
Eli Zaretskii writes:
> So you press and hold the left mouse button when the mouse pointer is
> near the bottom of the window, and then move the mouse upward, is that
> right?
>
Yes, just by moving the pointer towards the Arabic text form any point
below the testcase contents.
> Please show me the entire contents of the buffer in this case. "In
> the middle of a buffer" is too ambiguous for me to try to reproduce
> this.
>
The testcase should work. I had only two extra blank lines below it
just to make it easier to move the cursor upwards.
> > Moreover, this crash seems specific to Arabic and reordered Latin text
> > using RLM (like the above example). I couldn't reproduce this using
> > Hebrew.
>
> I tried with the text you sent with the report, not with Hebrew.
I know. But a Hebrew testcase is sometimes useful when tracking bugs
with Arabic, especially to decide whether a bug is in Bidi or in some
Arabic-specific code (like shaping, LAM-ALEF handling, etc). In any
case, it wasn't reproducible using Hebrew because it was rendered with
"Courier New".
--
Thamer