https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6590 --- Comment #27 from Katrin Fischer <katrin.fischer@bsz-bw.de> --- Would this help here? Bug 23919 - Make ISSN searchable with and without hyphen -- You are receiving this mail because: You are watching all bug changes. You are the QA Contact for the bug.