Re: [9fans] New internal command for acme proposal (with implementations)

[Bakul Shah <bakul@bitblocks.com>]

On Feb 5, 2014, at 8:10 AM, erik quanstrom <quanstro@quanstro.net> wrote:

>> On Feb 5, 2014, at 3:36 AM, erik quanstrom <quanstro@quanstro.net>
>> wrote:
>>> once one thinks about major modifications, i think it becomes
>>> attractive to think about a new editor.  i miss having graphics.
>> If you mean mixed text and image, you will end up with some sort of
>> structured markup language and a "word processor"!
> 
> oberon certainly managed this with trivial layout.
> 
> for example, it could be as simple as an interface that allows
> graphical applications inline with text.  for example,
>    ; lc
>    clock.c
>    ; clock&
>    [display of clock here persists until killed]
>    ; pwd
>    /usr/quanstro/src/cmd/clock

Oh, you just want graphics display!

>> What I want is support for complex text layout rendering (for Indian
>> languages among others).  This requires supporting OpenType fonts, not
>> an easy task.  Mac's TextEdit seems to do a decent job of this but I
>> don't like it as an editor.
> 
> i don't see why complex layout rendering -> opentype.  could you explain
> this?


You need to use a font that has CTL logic built in. In complex scripts a sequence of Unicode chars will map to a single glyph. See http://en.wikipedia.org/wiki/Complex_text_layout