[1 mod] Style: Greek: document rationale for design of PERISPOMENI accent (tilde vs. inverted breve)

While hunting around for the background on this, I found:

  http://lists.ibiblio.org/pipermail/b-greek/2004-June/030424.html

which gives a reasonable overview; in short, yes, there are two variants of drawing the perispomeni accent; either as a variable tilde, or as a invert breve. The determining glyph is '῀' (U+1FCO) which is used as a component for the rest.

Better discussion:

  http://www.tlg.uci.edu/~opoudjis/unicode/gkdiacritics.html#circ

Great sleuthing, Paul :-)

Indeed there are more than one styles in the representation of PERISPOMENH for Greek Polytonic. Which shall we choose?

Greek students are taught Ancient Greek (in Greek Polytonic) in high school and senior high school (ages 12 to 18). The school books for high school are freely available as PDF files from http://pi-schools.sch.gr/gymnasio/ (search for «Αρχαία» to find all
relevant books) For example, http://pi-schools.sch.gr/gymnasio/arxaia_b/math/math_1-20.pdf (ages 13-14). You can also download the entire dictionary, students currently use: http://files.ubuntu-gr.org/forum/pros/dictionaries/%20%ce%b1%cf%81%cf%87%ce%b1%ce%af%cf%89%ce%bd%20%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%cf%8e%ce%bd.pdf

All Greek students go through high school, as it is part of the compulsory education, and they end up seeing this type of Greek Polytonic.

In addition, the default installation of Ubuntu with the Greek locale (language support) allows users to type Greek Polytonic (we made it part of the default keyboard layout). Thus, students can write their school essays on Ubuntu with Ubuntu font, in Greek Polytonic.

Therefore, we, as Ubuntu-gr community, believe that we should go for the style 'tilde' for PERISPOMENI, since it is used in Greek education, and specifically during all (compulsory) secondary education.

A screen shot of the aforementioned dictionary http://ubuntuone.com/p/yPp/

Unfortunately, since sterios's comment, both <http://ubuntuone.com/p/yPp/> (thanks to the Ubuntu One shutdown) and <http://pi-schools.sch.gr/gymnasio/arxaia_b/math/math_1-20.pdf> have disappeared. And <http://pi-schools.sch.gr/gymnasio/> now redirects to <http://www.pi-schools.gr/>, which doesn't have a search field. However, I confirmed that in <http://files.ubuntu-gr.org/forum/pros/dictionaries/%20%ce%b1%cf%81%cf%87%ce%b1%ce%af%cf%89%ce%bd%20%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%cf%8e%ce%bd.pdf>, "ᾶ" is rendered using the tilde form.

As <http://www.tlg.uci.edu/~opoudjis/unicode/gkdiacritics.html#circ> helpfully lists, both the tilde style and the inverted breve style are widely used. The inverted breve style might be less common, but many design choices in the Ubuntu font are relatively uncommon.

If someone were to create the glyphs, one possibility would be to provide a stylistic set that allows the author to choose her preferred perispomeni (assuming the software exposes that OpenType feature).

The URL for "pi-schools" has changed to
http://www.pi-schools.gr/books/gymnasio/arxaia_b/math/math_1-20.pdf
(that is, it changed from www.pi-schools.sch.gr into the simplified
www.pi-schools.gr
That department is part of the Ministry of Education, and
http://www.pi-schools.gr/books/gymnasio/ contains all school books in the
PDF format).

On Thu, Nov 13, 2014 at 6:51 PM, Kevin Godby <email address hidden> wrote:

> If someone were to create the glyphs, one possibility would be to
> provide a stylistic set that allows the author to choose her preferred
> perispomeni (assuming the software exposes that OpenType feature).
>
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> Title:
> [1 mod] Style: Greek: document rationale for design of PERISPOMENI
> accent (tilde vs. inverted breve)
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Some samples of Greek perispomeni

http://www.ellopos.net/elpenor/greek-texts/greek-fonts.asp

IMHO the usage of tilde is much more descriptive. In our electronic era, inverted breve can be sometimes confused as opposite to "VRACHY" sign.