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table-of-contents
The sections of a long page beside it, with the one being read marked as you scroll: the marker travels down the rail between sections, the rail fills with how far you have read, a click glides to the section and hands it focus; the quiet variant is a column of ticks that opens into names when pointed at, and a narrow room folds it into one “On this page” line. (Beamline complete system)
—
table-of-contents
The sections of a long page beside it, with the one being read marked as you scroll: the marker travels down the rail between sections, the rail fills with how far you have read, a click glides to the section and hands it focus; the quiet variant is a column of ticks that opens into names when pointed at, and a narrow room folds it into one “On this page” line. (Beamline complete system)