This PR merges the features of optionally selecting the PRF summary according to the user's preference, and of optionally including the PRF summary if it is defined (and, by implication, omitting that content unit from the sign for bathing waters not in PRF)
This PR merges the features of optionally selecting the PRF summary according to the user's preference, and of optionally including the PRF summary if it is defined (and, by implication, omitting that content unit from the sign for bathing waters not in PRF)