[reportlab-users] Bug in Paragraph class with tags when switching frames

[Dinu Gherman]

Hi, is there any plan/roadmap/progress/news on this issue,
that I reported two weeks ago?

Thanks,

Dinu


On Nov. 2nd, 2007 I wrote:


> Hi,

>

> I've been testing a ReportLab extension for hyphenation written by

> Henning von Bargen. It seems a lot like we found a bug in Platypus

> paragraphs (without any extension added). Briefly, when using tags

> like "font" or "a" it can happen that adjacent words are combined

> into one new word, when the paragraph is split over two frames.

>

> The attached two test cases show this using somewhat lengthy German

> words. test_para_in_frame1.pdf contains in the right frame the word

> "nurein" that should actually be the two words "nur ein". You can

> observe this for "font" and "a" tags, if you edit the code for

> test_para_in_frame1.py.

>

> test_para_in_frame2.pdf is almost identical, but contains only the

> one right frame from test_para_in_frame2.pdf with only the piece

> of text to be expected there, i.e. without using any frame switch.

> In this case neither adding "font" nor "a" tags leads to the effect

> described above.

>

> I suspect some word fragment calculation in Paragraph in combination

> with frame switching is buggy. It's definitly a nasty bug, since it

> is hard to accept for high quality output.

>

> All this was tested on the latest release 2.1. I won't test this on

> the current code in SVN, since this is not an option for certain

> kind of clients. If it works on the SVN code I suggest building

> a new release 2.2, which is probably a good idea, anyway.

>

> Regards,

>

> Dinu

> <test_para_in_frame1.py>

> <test_para_in_frame1.pdf>

> <test_para_in_frame2.py>

> <test_para_in_frame2.pdf>