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Fix invalid line number computation when clicking on something else than a line number
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@ -205,6 +205,10 @@ const handleSourceHighlight = (function() {
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return ev => {
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let cur_line_id = parseInt(ev.target.id, 10);
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// It can happen when clicking not on a line number span.
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if (isNaN(cur_line_id)) {
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return;
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}
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ev.preventDefault();
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if (ev.shiftKey && prev_line_id) {
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