What do those double dots mean ?
Do they apply to the whole chord ? Or just the right hand chord or just the top D ? Does it have a musical meaning or interpretative meaning or both ? How is it different from staccato ?
in Semaine grasse (5th page of the movement, 2nd line or bars 57,58), Trois mouvements de Petrouchka, Stravinsky:
To my knowledge there is only one edition (I do not count localisation as an edition).
In the original, those bars correspond to the 95 or bars 3,4 in the following extract:
The transcription (which is not a transcription, as stated by Stravinsky), has changed the text slightly.