Re: [Lilypond-auto] Issue 4392 in lilypond: Doc: Add warning about ...

[lilypond]

Comment #1 on issue 4392 by address@hidden: Doc: Add warning about ...
https://code.google.com/p/lilypond/issues/detail?id=4392

On 05/05/15 14:59, pls wrote:> Hi Arnold,
> On 05.05.2015, at 14:42, ArnoldTheresius <address@hidden> wrote:



> True!  But why is the result correct in Ghostscript (but not in LilyPond)  
> when I compile the following example?  It doesn’t even contain a moveto  
> command:

> %!PS

> /doACircle
>    { 0 0 54 0 360 arc stroke } def

> /doAnEllipse
>    { 1 .75 scale
>      doACircle
>      stroke } def

> 300 500 translate doACircle

> 4 { 0 -72 translate
>      doAnEllipse } repeat

> showpage


> And isn’t it strange that these additional lines _only_ appear when  
> circles are drawn.  E.g. rectangles are fine in LilyPond as well as  
> directly in Ghostscript:

> \version "2.19.15"
> \markup {"PostScript square scaled"}
> ps-rectangle = #"
>    /square
>      { newpath
>        0 0 moveto
>        25 0 lineto
>        25 -25 lineto
>        0 -25 lineto
>        closepath stroke } def

>        35 -50 translate
>        1.5 1 scale
>        square
> "

> psrectangle = \markup {
>      \postscript #ps-rectangle
> }

> \markup {
>    \psrectangle
> }

> \markup {"PostScript square rotated scaled"}
> ps-rectangle = #"
>    /square
>      { newpath
>        0 0 moveto
>        25 0 lineto
>        25 -25 lineto
>        0 -25 lineto
>        closepath stroke } def

>        45 -50 translate
>        -60 rotate
>        1.5 .5 scale
>        square
> "

> psrectangle = \markup {
>      \postscript #ps-rectangle
> }

> \markup {
>    \psrectangle
> }





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