Re: LSR eyeglasses snippet

[Thomas Morley]

2015-08-11 15:57 GMT+02:00 Phil Holmes <address@hidden>:
> ----- Original Message ----- From: "David Kastrup" <address@hidden>
> To: "Phil Holmes" <address@hidden>
> Cc: <address@hidden>
> Sent: Tuesday, August 11, 2015 2:39 PM
> Subject: Re: LSR eyeglasses snippet
>
>
>> Phil Holmes <address@hidden> writes:
>>
>>> I don't understand why this snippet is present: can anyone explain?
>>>
>>> http://lsr.di.unimi.it/LSR/Item?id=982
>>
>>
>> It was implemented in LilyPond's core in 2.13.0 with
>>
>> commit 243b15925ff3ef8b0384ffd0a6ce6664ad19da99
>> Author: Reinhold Kainhofer <address@hidden>
>> Date:   Fri Jan 30 21:30:24 2009 +0100
>>
>>    Implement \eyeglasses as markup command
>>
>>    -) implement \eyeglasses as markup command, using the postscript stored
>>       in the eyeglassesps variable
>>    -) Use this markup command in musicxml2ly, too
>>    -) Add regtest for \eyeglasses (in a \markup and as a markup attached
>> to
>>       a note)
>>    -) Remove the eyeglasses example from the postscript command and
>>       replace it by two rings (the stereo symbol) written in postscript
>>
>> and presumably the snippet predates this?
>>
>> --
>> David Kastrup
>
>
>
> No - it postdates it considerably.  It would seem that it re-implements the
> \eyeglasses command, but with absolute rather than relative co-ordinates.  I
> don't understand why this might be beneficial.
>
> --
> Phil Holmes



The difference between the two is visible, when you let draw a box
around both, see attachment.
I've no clue about the benefit either, though.

Maybe Pierre can say something about it since he did the last LSR-update.
cc-ed him.

Cheers,
  Harm

atest-28.png
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