For authority: I hold copyright which I've never assigned to a "few" pages.
Wikitravel is using my content under the CC-bySA license. The license they are using my content under does not permit them to forbid someone from copying the content.
Wikitravel is using my content under the CC-bySA license. The license they are using my content under does not permit them to forbid someone from copying the content.
It doesn't matter if just 1% of the content was copied unlawfully - that's infringement.