[gs-bugs] [Bug 695944] New: &zwsp; wrong displayed as non-breaking space in ePub

[b***@ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

Bug ID: 695944
Summary: &zwsp; wrong displayed as non-breaking space in ePub
Product: MuPDF
Version: unspecified
Hardware: Other
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: P4
Component: mupdf
Assignee: mupdf-***@artifex.com
Reporter: ***@pragmata.tk
QA Contact: gs-***@ghostscript.com
Word Size: ---

The attached ePub file contains an url on page 2 that have zero-width
characters.

They are displayed wrong because the add an extra blank space (being
zero-width) and they don’t allow line breaks (being spaces).

I’ll add a screenshot comparing both mupdf and ebook-viewer renderings.

[b***@ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

--- Comment #1 from Pablo Rodríguez <***@pragmata.tk> ---
Created attachment 11605
--> http://bugs.ghostscript.com/attachment.cgi?id=11605&action=edit
mupdf vs ebook-viewer display

Zero-width space displayed by mupdf-1.7 (on the left) and ebook-viewer from
calibre-2.25 (on the right).

[b***@artifex.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

Tor Andersson <***@artifex.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@artifex.com
Component|mupdf |epub

[b***@artifex.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

--- Comment #2 from Pablo Rodríguez <***@pragmata.tk> ---
Created attachment 12345
--> http://bugs.ghostscript.com/attachment.cgi?id=12345&action=edit
ePub document with link containing zero-width space (should break line)

Well, right now I realize that I forgot to attach the ePub document.

This is a similar one (not exactly the same from which the previous screenshot
was taken).

But the screenshot would display the same results.

[b***@artifex.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

--- Comment #3 from Pablo Rodríguez <***@pragmata.tk> ---
This issue seems to be fixed in current master.

[b***@artifex.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

--- Comment #4 from Pablo Rodríguez <***@pragmata.tk> ---
The issue seems to be solved in version 1.10-rc1.

[b***@artifex.com]

http://bugs.ghostscript.com/show_bug.cgi?id=695944

--- Comment #5 from Pablo Rodríguez <***@pragmata.tk> ---
Issue still present in version 1.12-rc1.