ID 373110 - Crash due to Unicode characters in Backdrop node text

Problem summary:

Backdrop nodes whose text contains Unicode characters can lead to crashes when drawing them.

Steps to reproduce:

1. In the Node Graph tab, create a Backdrop node and double-click it to open the Edit Backdrop Node dialog.
2. Enter the following text (note the use of Unicode characters for double quotes):
   • ″Hello″″Hello″″Hello″″Hello″″Hello″″Hello″″Hello″″Hello″″Hello″
3. Click OK to accept the text.
4. Keep resizing the Backdrop node by dragging its lower-right corner in the Node Graph tab.

Expected behaviour:

The Backdrop node keeps resizing. No crash occurs.

Actual behaviour:

The Backdrop node keeps resizing at first, but then a crash occurs.

Workaround:

No known workaround.

Tested versions/platforms:

• 2.5v1/Linux - Affected
• 3.0v1/Linux - Affected

Customer version/platform:

2.5v6/Linux - Affected