Item with unicode causes vobject.base.ParseError if allowQP=True is set

[pbiering]

This is related to Kozea/Radicale#1943

Replayed with: python3-vobject-0.9.8-6.fc44.noarch on Fedora Linux

Demo code attached.

Tried to trace down but had no success.

Final error

Traceback (most recent call last):
  File "radicale-item-check-demo.py", line 63, in <module>
    vobject_items = list(vobject.readComponents(item_reformatted_serialized, allowQP=True))
  File "/usr/lib/python3.14/site-packages/vobject/base.py", line 1166, in readComponents
    vline = textLineToContentLine(line, n)
  File "/usr/lib/python3.14/site-packages/vobject/base.py", line 984, in textLineToContentLine
    return ContentLine(*parseLine(text, n), **{"encoded": True, "lineNumber": n})
                        ~~~~~~~~~^^^^^^^^^
  File "/usr/lib/python3.14/site-packages/vobject/base.py", line 864, in parseLine
    raise ParseError("Failed to parse line: {0!s}".format(line), lineNumber)
vobject.base.ParseError: At line 12: Failed to parse line:                   </span><br><span>              

radicale-item-check-demo.py

[da4089]

Thanks @pbiering, I'll look into this.