scene recognition in add-metadata.xsl uses some quite old code, making the stuff hard to read and error-prone (#522, #523).
eliminate old redundant code from utils.xsl
introduce two phases in add-metadata.xsl: Regular phase annotates the Schröer verses etc. and second phase detects scenes based on that, in clean code that distinguishes detection and makes the decisions (e.g., regarding the labels) clear
scene recognition in add-metadata.xsl uses some quite old code, making the stuff hard to read and error-prone (#522, #523).