Hi Rainer,
Please take a look at this picture to find out what is the problem:
https://dl.dropboxusercontent.com/u/5654479/PICS/CursivePositioning_PreviewProblem.png
The third line (snapshot of text edit) is showing the correct positioning of the glyphs. But as you see inside the Glyphs, it is not working correctly.
In you stable version the top text view was working, but now it is not moving the glyphs vertically anymore.
I suggest you to add either a “curs” button to the features, or include this in the “calt” feature as it was before.
here is the content of my font’s cult as you asked:
lookupflag IgnoreMarks;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi’ [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina] by lam-ar.medi.yehkeh.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi’ [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina] by lam-ar.medi.yehkeh.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi.yehkeh.alt [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.seen.alt yeh-ar.fina.seen.alt yeh-farsi.fina.seen.alt yehHamzaabove-ar.fina.seen.alt];
sub dotlessbeh-ar.init’ [jeem-ar.medi tcheh-ar.medi hah-ar.medi khah-ar.medi] by dotlessbeh-ar.init.alt;
sub dotlessbeh-ar.init.alt [jeem-ar.medi tcheh-ar.medi hah-ar.medi khah-ar.medi]’ by [jeem-ar.medi.alt tcheh-ar.medi.alt hah-ar.medi.alt khah-ar.medi.alt];
sub [yehHamzaabove-ar.init dotlessbeh-ar.init beh-ar.init peh-ar.init teh-ar.init theh-ar.init meem-ar.init noon-ar.init yeh-ar.init yeh-farsi.init]’ [jeem-ar.medi tcheh-ar.medi hah-ar.medi khah-ar.medi] by [yehHamzaabove-ar.init.alt dotlessbeh-ar.init.alt beh-ar.init.alt peh-ar.init.alt teh-ar.init.alt theh-ar.init.alt meem-ar.init.alt noon-ar.init.alt yeh-ar.init.alt yeh-farsi.init.alt];
sub [yehHamzaabove-ar.init.alt dotlessbeh-ar.init.alt beh-ar.init.alt peh-ar.init.alt teh-ar.init.alt theh-ar.init.alt meem-ar.init.alt noon-ar.init.alt yeh-ar.init.alt yeh-farsi.init.alt] [jeem-ar.medi tcheh-ar.medi hah-ar.medi khah-ar.medi]’ by [jeem-ar.medi.alt tcheh-ar.medi.alt hah-ar.medi.alt khah-ar.medi.alt];
sub seen-ar.init’ tatweel-ar space by seen-ar.alt;
sub seen-ar.alt tatweel-ar’ by zerowidthspace;
sub sheen-ar.init’ tatweel-ar space by sheen-ar.alt;
sub sheen-ar.alt tatweel-ar’ by zerowidthspace;
sub kaf-ar.medi’ [lam-ar.medi lam-ar.fina alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by kaf-ar.medi.alt;
sub keheh-ar.medi’ [lam-ar.medi lam-ar.fina alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by keheh-ar.medi.alt;
sub gaf-ar.medi’ [lam-ar.medi lam-ar.fina alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by gaf-ar.medi.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi’ [alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by lam-ar.medi.ke.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi.ke.alt’ [alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by lam-ar.medi.ke.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi.ke.alt [alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina]’ by [alef-ar.fina.alt alefhamzabelow-ar.fina.alt alefMadda-ar.fina.alt alefHamzaabove-ar.fina.alt];
sub [keheh-ar.init kaf-ar.init gaf-ar.init]’ [lam-ar.medi lam-ar.fina] by [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt];
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.medi’ by lam-ar.medi.alt;
sub [keheh-ar.init.alt kaf-ar.init.alt gaf-ar.init.alt] lam-ar.fina’ by lam-ar.fina.alt;
sub lam-ar.medi’ [alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina] by lam-ar.medi.la.alt;
sub lam-ar.medi.la.alt [alef-ar.fina alefhamzabelow-ar.fina alefMadda-ar.fina alefHamzaabove-ar.fina]’ by [alef-ar.fina.alt alefhamzabelow-ar.fina.alt alefMadda-ar.fina.alt alefHamzaabove-ar.fina.alt];
sub keheh-ar.init’ alef-ar.fina by keheh-ar.init.alef.alt;
sub gaf-ar.init’ alef-ar.fina by gaf-ar.init.alef.alt;
sub kaf-ar.init’ alef-ar.fina by kaf-ar.init.alef.alt;
sub ain-ar.init’ meem-ar.fina by ain-ar.meem.init.alt;
sub ain-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub ghain-ar.init’ meem-ar.fina by ghain-ar.meem.init.alt;
sub ghain-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub heh-ar.init’ meem-ar.fina by heh-ar.meem.init.alt;
sub heh-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub hah-ar.init’ meem-ar.fina by hah-ar.meem.init.alt;
sub hah-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub tcheh-ar.init’ meem-ar.fina by tcheh-ar.meem.init.alt;
sub tcheh-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub khah-ar.init’ meem-ar.fina by khah-ar.meem.init.alt;
sub khah-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub jeem-ar.init’ meem-ar.fina by jeem-ar.meem.init.alt;
sub jeem-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub meem-ar.init’ meem-ar.fina by meem-ar.meem.init.alt;
sub meem-ar.meem.init.alt meem-ar.fina’ by meem-ar.ain.fina.alt;
sub [yehHamzaabove-ar.init dotlessbeh-ar.init beh-ar.init peh-ar.init teh-ar.init theh-ar.init noon-ar.init yeh-ar.init yeh-farsi.init]’ [meem-ar.fina] by [yehHamzaabove-ar.meem.init.alt dotlessbeh-ar.meem.init.alt beh-ar.meem.init.alt peh-ar.meem.init.alt teh-ar.meem.init.alt theh-ar.meem.init.alt noon-ar.meem.init.alt yeh-ar.meem.init.alt yeh-farsi.meem.init.alt];
sub [yehHamzaabove-ar.meem.init.alt dotlessbeh-ar.meem.init.alt beh-ar.meem.init.alt peh-ar.meem.init.alt teh-ar.meem.init.alt theh-ar.meem.init.alt noon-ar.meem.init.alt yeh-ar.meem.init.alt yeh-farsi.meem.init.alt] [meem-ar.fina]’ by [meem-ar.ain.fina.alt];
sub [dotlessbeh-ar.medi beh-ar.medi peh-ar.medi teh-ar.medi theh-ar.medi noon-ar.medi yeh-ar.medi yeh-farsi.medi yehHamzaabove-ar.medi]’ [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina] by [dotlessbeh-ar.medi.yeh.alt beh-ar.medi.yeh.alt peh-ar.medi.yeh.alt teh-ar.medi.yeh.alt theh-ar.medi.yeh.alt noon-ar.medi.yeh.alt yeh-ar.medi.yeh.alt yeh-farsi.medi.yeh.alt yehHamzaabove-ar.medi.yeh.alt];
sub [dotlessbeh-ar.medi.yeh.alt beh-ar.medi.yeh.alt peh-ar.medi.yeh.alt teh-ar.medi.yeh.alt theh-ar.medi.yeh.alt noon-ar.medi.yeh.alt yeh-ar.medi.yeh.alt yeh-farsi.medi.yeh.alt yehHamzaabove-ar.medi.yeh.alt] [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.seen.alt yeh-ar.fina.seen.alt yeh-farsi.fina.seen.alt yehHamzaabove-ar.fina.seen.alt];
sub [seen-ar.medi sheen-ar.medi dad-ar.medi heh-ar.medi kaf-ar.medi keheh-ar.medi lam-ar.medi sad-ar.medi]’ [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina] by [seen-ar.medi.yeh.alt sheen-ar.medi.yeh.alt dad-ar.medi.yeh.alt heh-ar.medi.yeh.alt kaf-ar.medi.yeh.alt keheh-ar.medi.yeh.alt lam-ar.medi.yeh.alt sad-ar.medi.yeh.alt];
sub [seen-ar.medi.yeh.alt sheen-ar.medi.yeh.alt dad-ar.medi.yeh.alt heh-ar.medi.yeh.alt kaf-ar.medi.yeh.alt keheh-ar.medi.yeh.alt lam-ar.medi.yeh.alt sad-ar.medi.yeh.alt] [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.seen.alt yeh-ar.fina.seen.alt yeh-farsi.fina.seen.alt yehHamzaabove-ar.fina.seen.alt];
sub [jeem-ar.medi.alt tcheh-ar.medi.alt hah-ar.medi.alt khah-ar.medi.alt] [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.jeembeh.alt yeh-ar.fina.jeembeh.alt yeh-farsi.fina.jeembeh.alt yehHamzaabove-ar.fina.jeembeh.alt];
sub lam-ar.medi.alt [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.jeembeh.alt yeh-ar.fina.jeembeh.alt yeh-farsi.fina.jeembeh.alt yehHamzaabove-ar.fina.jeembeh.alt];
sub [dad-ar.init sad-ar.init seen-ar.init sheen-ar.init]’ [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina] by [dad-ar.init.yeh.alt sad-ar.init.yeh.alt seen-ar.init.yeh.alt sheen-ar.init.yeh.alt];
sub [dad-ar.init.yeh.alt sad-ar.init.yeh.alt seen-ar.init.yeh.alt sheen-ar.init.yeh.alt] [alefMaksura-ar.fina yeh-ar.fina yeh-farsi.fina yehHamzaabove-ar.fina]’ by [alefMaksura-ar.fina.seen.alt yeh-ar.fina.seen.alt yeh-farsi.fina.seen.alt yehHamzaabove-ar.fina.seen.alt];
sub [hah-ar.init jeem-ar.init khah-ar.init tcheh-ar.init]’ [alef-ar.fina alefHamzaabove-ar.fina alefMadda-ar.fina alefhamzabelow-ar.fina dal-ar.fina ddal-ar.fina gaf-ar.fina gaf-ar.medi kaf-ar.fina kaf-ar.medi keheh-ar.fina keheh-ar.medi lam-ar.fina lam-ar.medi thal-ar.fina lam-ar.fina.alt lam-ar.medi.alt lam-ar.medi.ke.alt lam-ar.medi.la.alt heh-ar.fina hehHamzaabove-ar.fina hehaltone-ar izafet-ar tehmarbuta-ar.fina] by [hah-ar.alef.init.alt jeem-ar.alef.init.alt khah-ar.alef.init.alt tcheh-ar.alef.init.alt];