Re: When printing, chars are replaced with square graphic char'

From: Roger <rogerx.oss_at_gmail.com>
Date: Sat Sep 10 2011 - 07:42:39 CEST

By accident, I've caught Seamonkey browser doing this while printing -- very
rarely, but I think I've got a method to reproduce.

Create an html document using the stated font specifics:

<!-- HTML test debug page demonstrating chars, when printed, being replaced by square rectangle
graphics. Certain chars at random, will be printed. But once they start, the square rectangles
become consistent each time the document is printed. -->

<!-- Once I found the char being printed as a square rectangle on paper, I would edit the below
with repetative chars being miss printed. -->

<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <span style="font-size: 14.0pt; line-height: 115%; font-family: Comic Sans MS">

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

a b c d e f g h i j k l m n o p q r s t u v w x y z

1 2 3 4 5 6 7 8 9 0 ! @ # $ % ^ & * ( ) _ + - = ; ' : " { } [ ] < > ? / . ,

//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

    </span>
</html>

Load the page in Seamonkey with a similar typed url "file:///tmp/test.html"

Make a printout and examine each char for a char being replaced with a square
rectangle glyph. Once you find one, edit the test.html and make repetitive
chars of that type and print. You should now see a mess of square rectangle
glyphs.

=www-client/seamonkey-2.3.2
=x11-libs/cairo-1.10.2-r1

I'm focusing on cairo as the root cause (...as pango isn't a depend with
seamonkey, while cairo is a depend for both abiword & seamonkey.)

Think I'm ready to move this bug upstream into cairo mailing list.

-- 
Roger
http://rogerx.freeshell.org/
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Received on Sat Sep 10 07:42:53 2011

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