Sorry, I forgot to add that losing the +x info on account-plugin-evernote.install had meant that dh-exec could not expand ${DEB_HOST_MULTIARCH}, so although the build succeeded, the resulting packages contained files literally in /usr/lib/${DEB_HOST_MULTIARCH}
Sorry, I forgot to add that losing the +x info on account- plugin- evernote. install had meant that dh-exec could not expand ${DEB_HOST_ MULTIARCH} , so although the build succeeded, the resulting packages contained files literally in /usr/lib/ ${DEB_HOST_ MULTIARCH}