Summary:
Ref T2009. Currently, the code which draws the reticle is sort of implicitly hard-coded with some of the rules for the 2up view.
Instead, use general rules:
- Start selection at the next `<td />`.
- End selection at the rightmost adjacent `<td />`.
These rules work in all cases.
Test Plan:
- Activated reticle in 1up and 2up views by clicking line numbers and hovering over comments. It now draws correctly.
- Dragged over line ranges in 1up and 2up views, saw accurate reticle.
Reviewers: btrahan, chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T2009
Differential Revision: https://secure.phabricator.com/D12009
616976a45c