Ah, I reread your earlier (private) message. I see the problem has to do
with the use of synthesized PUA mappings. Here, the problem really is that
the font should always have a CMAP entry that maps to every glyph that can
be produced by the GSUB process. However, not all fonts do this, so in the
case in point, we have to synthesize some mapping, from which we have to
turn to PUA assignments. This works when we generate PDF since we generate
a subset font that contains the synthesized mappings. However, I can see
that if this is going to IF instead of PDF/PS, then we need to find a way
to recreate those synthesized mappings.

I think this information is really font-specific, and should not be tied to
specific text nodes though. So if Simon's fix uses text nodes, then that is
probably not the best approach.

On Mon, Apr 22, 2013 at 10:45 PM, Glenn Adams <gl...@skynav.com> wrote:

> I'm presently at W3C WG meetings this week, but I'll try to get on my
> schedule. I'm not sure what the IF->PS/PDF problem is, since the IF->PDF
> path is clearly working from my tests.
> On Mon, Apr 22, 2013 at 4:27 PM, Luis Bernardo <lmpmberna...@gmail.com>wrote:
>> Glenn,
>> Can you give your opinion about the approach used by Simon? As I
>> mentioned before (in a private message), the IF -> PS/PDF route does not
>> work in your original CS patch (for the languages that CS targets) due to
>> the mapped sequences. Simon's approach works but requires keeping the
>> original sequences alongside the mapped ones. I think it is a good approach
>> but I would like to know if you have a better suggestion before we apply
>> the patch.
>> Thanks,
>> Luis
>> On 4/22/13 3:23 PM, Chris Bowditch (JIRA) wrote:
>>>       [ https://issues.apache.org/**jira/browse/FOP-2210?page=com.**
>>> atlassian.jira.plugin.system.**issuetabpanels:all-tabpanel<https://issues.apache.org/jira/browse/FOP-2210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel>]
>>> Chris Bowditch reassigned FOP-2210:
>>> ------------------------------**-----
>>>      Assignee: Chris Bowditch
>>>> [PATCH] Complex script IF to output missing glyphs
>>>> ------------------------------**--------------------
>>>>                  Key: FOP-2210
>>>>                  URL: 
>>>> https://issues.apache.org/**jira/browse/FOP-2210<https://issues.apache.org/jira/browse/FOP-2210>
>>>>              Project: Fop
>>>>           Issue Type: Bug
>>>>             Reporter: simon steiner
>>>>             Assignee: Chris Bowditch
>>>>          Attachments: csspeedtrunk.patch, fop.xconf, test.fo
>>>> fop test.fo -c fop.xconf -if application/pdf expected.if.xml
>>>> fop -c fop.xconf -ifin expected.if.xml out.pdf
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