Created attachment 69087 [details]
Mixed text test document
When mixing text from English (Latin) and Hebrew/Arabic (RTL languages) brackets aren't handled correctly, and the leading bracket isn't handled as part of the word. So during a word wrap the leading bracket stays in the line and the word itself and the closing bracket is wrapped to the next line.
This is true for both an Hebrew word in an English text and an English word in an Hebrew text.
The problem is solved if the paragraph directionality is changed to the opposite one.
See the attached document.
Still happens in 3.7/master
Confirmed: REPRODUCIBLE with Lior’s sample document and LibreOffice 18.104.22.168 or current master build (2012-10-27) on Mac OS X; so really a cross-platform issue.
Still happens in 22.214.171.124...
This is caused by brackets taking the paragraph direction and staying with the text of same direction when linebreaking.
I can confirm this bug.
It is still in 126.96.36.199
Build ID: 188.8.131.52 Arch Linux build-3
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Bug still present on Build ID: 220.127.116.11 Arch Linux build-1.
Migrating Whiteboard tags to Keywords: (text:rtl)
*** Bug 65840 has been marked as a duplicate of this bug. ***
Created attachment 122889 [details]
doc before the modfication
Created attachment 122890 [details]
doc after the modfication
I add some changes in the code to solve this issue and now line breaking cut the word(character by character) in the different script depending on the
available space in the line instead of separating the bracket from the word.
I submit a patch in gerrit and attached two images of what I did so please review and give me your comments and ideas to solve the issue.
patch link: https://gerrit.libreoffice.org/#/c/22620/
Still happens in:
Build ID: 1:5.4.2-3~bpo9+1
CPU threads: 8; OS: Linux 4.9; UI render: default; VCL: gtk2;
Locale: en-US (en_US.utf8); Calc: group
OS: Debian 64bit Stretch (Debian 9.2, with some backported packages)
Created attachment 137441 [details]
Bug 56408 still happens in version 5.4.2
paragraph 2 (Deleted the last English word before the brackets)
paragraph 5 (Hebrew text with an English word)
paragraph 6 (Deleted the last Hebrew word before the brackets)
I am not 100% sure this is actually a bug, beca
(Sorry for the messed-up comment before)
I am not 100% sure this is actually a bug, because parentheses are not strong-direction-indicating glyphs (I forget the exact Unicode term). So it may be the case that the paragraph is broken up into directional runs differently when it's LTR and when it's RTL, and that may account for the difference in behavior.
Lior, can you argue that the Unicode standard dictates behavior different than what LO does right now?
This is a bug, change in direction does not create line breaking opportunity.
There is even an easy way to check this with https://unicode.org/cldr/utility/breaks.jsp; copy the text there and choose Line in the drop down and it should show all possible line breaking opportunities.
Still happens in LibO Version: 18.104.22.168
*** Bug 120669 has been marked as a duplicate of this bug. ***
Still exists in Version: 22.214.171.124.alpha0+ (x64).