301889 - bidi input duplicates characters if inside directional embedding and direction changes

Status: RESOLVED DUPLICATE of bug 177442

(Firefox Build System :: General, defect)

Description

[Raphael A. Finkel]

User-Agent:       Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4
Build Identifier: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4

This problem is purely a display problem for text-entry boxes is forms.  The
data is shown wrong, but it is sent via the form to the server correctly.

The problem is that certain text entered into text-entry boxes duplicates a
single character.  The duplicate is not next to the original character.  The
problem happens when the text is inside a directional embedding and two adjacent
letters are of different inherent directionality. 

Reproducible: Always

Steps to Reproduce:
1. Open any web page that includes a text-entry box in a form.
2. Enter the following text: HELLOא
3. Note that the text on the previous line has some usually invisible
characters.  It is the following string: \u202bHELLO\u05d0\u202c


Actual Results:  
You will see the alef character (\u05d0) repeated at the right and left end of
HELLO.


Expected Results:  
The alef should appear only once, to the left of HELLO.

Comment 1

[Uri Bernstein]

This is likely a duplicate of bug 177442.

Comment 2

[Simon Montagu :smontagu]

*** This bug has been marked as a duplicate of 177442 ***