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; * src/xdisp.c (move_it_vertically_backward): Clarify commentary.

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Eli Zaretskii 2021-12-13 21:02:38 +02:00
parent 6170c5036e
commit cea8deea72
1 changed files with 6 additions and 5 deletions
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11
src/xdisp.c
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@ -10233,11 +10233,12 @@ move_it_to (struct it *it, ptrdiff_t to_charpos, int to_x, int to_y, int to_vpos
/* Move iterator IT backward by a specified y-distance DY, DY >= 0. /* Move iterator IT backward by a specified y-distance DY, DY >= 0.
If DY > 0, move IT backward at least that many pixels. DY = 0 If DY > 0, move IT backward that many pixels.
means move IT backward to the preceding line start or BEGV. This DY = 0 means move IT backward to the preceding line start or to BEGV.
function may move over more than DY pixels if IT->current_y - DY This function may move over less or more than DY pixels if
ends up in the middle of a line; in this case IT->current_y will be IT->current_y - DY ends up in the middle of a line; in this case
set to the top of the line moved to. */ IT->current_y will be set to the top of the line either before or
after the exact pixel coordinate. */
void void
move_it_vertically_backward (struct it *it, int dy) move_it_vertically_backward (struct it *it, int dy)