[NTG-context] Is there a bug during pagination of external figures?

Hi all! Processing a large document containing the following lines:

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>>>>start \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_1.png]

\externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_2.png] \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_3.png] \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_4.png] <<<<<<<<<<#1 \doattributes ...sname #1#2\@EA \endcsname \fi {#4 }\dostopattributes ... l.2691 Line 2691 is the line after the fourth image. If I insert a page break before the fourth image

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>>>>start \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_1.png]

\externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_2.png] \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_3.png] \page \externalfigure[/home/swachter/projekte/infotakt/vdp/export/bu/bu.ilboo/ziffer8.ilboo/bu8-3_refkom.ilboo/graphics.ilfdr/bu8-3_241-242_4.png] <<<<<<<<<<