fix scrolls

...http..mathhub.info/FrameIT/frameworld/$Angle$Sum.omdoc.xz

...mathhub.info/FrameIT/frameworld/$Frameworld$Meta.omdoc.xz

.....mathhub.info/FrameIT/frameworld/$Meta$Key$Test.omdoc.xz

...p..mathhub.info/FrameIT/frameworld/$Opposite$Len.omdoc.xz

...ttp..mathhub.info/FrameIT/frameworld/$Pythagoras.omdoc.xz

...info/FrameIT/frameworld/$Scroll$Meta$Annotations.omdoc.xz

...FrameIT/frameworld/$Supplemenary$Angles_$Problem.omdoc.xz

...rameIT/frameworld/$Supplemenary$Angles_$Solution.omdoc.xz

...ub.info/FrameIT/frameworld/$Supplementary$Angles.omdoc.xz

...eIT/frameworld/$Triangle$Scroll_$General$Problem.omdoc.xz

...rameworld/$Triangle$Scroll_$Right$Angled$Problem.omdoc.xz

...nfo/FrameIT/frameworld/examples/bug-repro/$Outer.omdoc.xz

...orld/integrationtests/$Close$Gaps$Test_$Codomain.omdoc.xz

...integrationtests/$Close$Gaps$Test_$Terms$Notepad.omdoc.xz

content/http..mathhub.info/LoViVo/gearbox/cogwheels.omdoc.xz

content/http..mathhub.info/LoViVo/gearbox/gb2.omdoc.xz

content/http..mathhub.info/LoViVo/gearbox/gearbox.omdoc.xz

content/http..mathhub.info/LoViVo/gearbox/temp.omdoc.xz

errors/mmt-omdoc/IntegrationTests/CloseGapsTests.mmt.err

errors/mmt-omdoc/Library/gearbox.mmt.err