/* input e.g. [[
Inputs:

"Where is the code repository?"
"Where is the fork?"

Expected output:

"Where is the *?"
]] */

static SS parseColonHeadingSections(S text) {
  LS lines = lines(text);
  L<Int> l = indicesOfEndingWithTrim(lines, ":");
  new LinkedHashMap<S> out;
  if (nempty(l))
    mapPutIfNemptyValue(out, "", rtrim(lines(takeFirst(lines, first(l)))));
  for i over l: {
    int i1 = get(l, i);
    int i2 = or(get(l, i+1), l(lines)+1);
    S heading = dropSuffix(":", trim(lines.get(i1)));
    out.put(heading, lines(subList(lines, i1+1, i2)));
  }
  ret out;
}

Began life as a copy of #1027381