pub fn next_file_boundary_row(
excerpts: &[Excerpt],
cursor_row: u32,
count: u32,
) -> Option<u32>Expand description
Composed row of the count-th file-boundary excerpt forward
of the boundary containing the current excerpt. A “file
boundary” is the FIRST excerpt of each file group (per
]E semantics: jump to the start of the next file in the
view).