Function description being truncated by the IntelliSense drawing code

From Govert: (I see there is an arbitrary max width of 1000 pixels in the drawing code, and a bug in the text layout.)

Without *.xml intellisense file, a long description looks like this:


Here is the attribute:

[ExcelFunction( HelpTopic = "BTR.Extensibility.Excel.chm!7004", Category = "Annual Limits", Description = "A replacement function for the Cfgena.xla!AnnualLimits() function call with '401(a)(17)PayLimit' name parameter in favor of explicit function name (reduces parameter typo errors). Returns an integer value representing maximum compensation recognized under qualified pension or profit sharing plans (ignores EGTRRA limit changes). Post-2001 limits are updated each year with the annual CPI/W rate." )]

So that’s working as expected. But if I take that to the xml file (and just append Xml: to front to verify Excel is using the file), I have this:


But Excel displays: