set flag printMapLikesEtc.

static L<SnippetVersion> textChangesOfSnippet(S snippetID, int maxVersions default 1000) {
  ret versionsOfSnippetWithText(takeFirst(maxVersions, filterI(v -> eqic(v.change, "Text changed"), takeFirst(maxVersions, getVersionsOfSnippet(snippetID)))));
}