Re: Stems in TabStaff are not removed when manual beaming is used

[Marc Hohl]

Am 13.10.2012 19:43, schrieb Federico Bruni:
> As you can see in the attached image, the pull-off sign (slur in 
> TabStaff) is moved up when using manual beaming.
>
> It looks like Stems in default TabStaff are just made transparent when 
> using manual beams. Maybe the stem stencil should be set to false also 
> in this case.
A bit of investigating shows that

\override Beam #'beamed-stem-shorten = #'(0 0 0)

(and of course a \revert in tabFullNotation) solves the misplaced slur,
but yield in the error message
"No viable beam quanting found.  Using unquanted y value."

So this is considered a temporary hack.
> The problem occurs on 2.14.2, 2.16.0 and latest build from git master.
>
> \version "2.17.5"
>
> first =  \relative c' {
>   %% Stems in TabStaff are not removed when manual beaming is used
>   e8 b g g' fis( e) d b % automatic beaming
>   e8[ b g] g'[ fis( e)] d b % manual beaming
>
>   %% behind the scenes...
>   \tabFullNotation
>   e8 b g g' fis( e) d b % automatic beaming
>   e8[ b g] g'[ fis( e)] d b % manual beaming
> }
>
> second = \relative c {
>   s1
> }
>
> \score {
>   \new StaffGroup <<
>     \new Staff <<
>       \context Voice = "first voice" { \clef "G_8" \voiceOne \first }
>       \context Voice = "second voice" { \clef "G_8" \voiceTwo \second }
>     >>
>     \new TabStaff <<
>       %\tabFullNotation
>       \context TabVoice = "tab first voice" { \clef "moderntab" 
> \voiceOne \first }
>       \context TabVoice = "tab second voice" { \clef "moderntab" 
> \voiceTwo \second }
>     >>
>   >>
> }