tdf#120047 Support attribute harpoon/wideharpoon in Math

Takeshi Abe tabe at
Mon Jun 3 14:39:52 UTC 2019

Hi Regina,

(I have sent the following message last sunday, but the mailing list put it down
due to the size limit exceeded with attached files.  Retrying the same but with
links instead.)

Thank you for checking the changeset.

On Sat, 1 Jun 2019 17:53:10 +0200, Regina Henschel <rb.henschel at> wrote:
> Hi Takeshi,
> can you please provide the changed OpenSymbol font? For example attach it to the
> bug report?
Uploaded opens___.ttf to bugzilla generated from the modified OpenSymbol.sfd.
I have given --enable-build-opensymbol to configure to build it on macOS.

> Currently the symbol is not only the harpoon, but the placeholder dotted circle
> in addition, see attachment.
I see.  I am not sure why, but I do have observed that combining the harpoon/vec
symbol can produce some awkward layout when using a different font for variables,
etc.  Although it is not exactly what you faced, for example, see attached
screenshots [1][2];  they differs only with respect to the font chosen for
variables, however in the bad one the symbols are too close to their underlying


-- Takeshi Abe

> I would like to test it with your version of the font.
> Kind regards
> Regina
> Takeshi Abe schrieb am 01-Jun-19 um 03:36:
>> Hi,
>> To solve tdf#120047 [1], I am going to add a couple of new attributes
>> harpoon/wideharpoon to the starmath command syntax [2].
>> At the same time the patch introduces a new glyph to OpenSymbol font
>> to make sure that the harpoon symbol (U+20D1) has the consistent width
>> with COMBINING RIGHT ARROW ABOVE (U+20D7), which is the one shown
>> as the arrow for attributes vec/widevec so far.
>> Review and suggestions are highly appreciated.
>> [1]
>> [2]
>> Cheers,
>> -- Takeshi Abe
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