@cocalc/cdn/dist/codemirror/src/line/saw_special_spans.js

Files that CoCalc uses that would be natural in various contexts to get from a CDN

// Optimize some code when these features are not used.
export let sawReadOnlySpans = false, sawCollapsedSpans = false

export function seeReadOnlySpans() {
  sawReadOnlySpans = true
}

export function seeCollapsedSpans() {
  sawCollapsedSpans = true
}