Phase 2: chapter nodes, aggregate partial, fixes

- _chapter.html.erb: new partial for erfa/chaostreff aggregated lists;
  renders title, location, external_url, sanitized body
- content_helper: fix aggregate attr regex to allow hyphens in values
  (erfa-detail tag was silently dropped); add debug logging (remove)
- page.rb: suppress libxml stderr noise in rewrite_links_in_body
- db/seeds/chapters.rb: one-shot seed script for erfa and chaostreff
  chapter nodes under parent nodes 548/549; creates bilingual pages,
  external_url, primary events with RRULEs where known
  Note: run Node.rebuild!(false) after execution to fix lft/rgt values

1 files changed, 1 insertions, 1 deletions

diff --git a/app/helpers/content_helper.rb b/app/helpers/content_helper.rb
index 21cc579..53bf5b2 100644
--- a/app/helpers/content_helper.rb
+++ b/app/helpers/content_helper.rb
@@ -80,7 +80,7 @@ module ContentHelper
     begin
       if content =~ /\[aggregate([^\]]*)\]/
         tag = $~.to_s
-        matched_data = $1.scan(/\w+\="[a-zA-Z\s\/_\d,.=]*"/)
+        matched_data = $1.scan(/\w+\="[a-zA-Z\s\/_\d,.=-]*"/)
 
         matched_data.each do |data|
           splitted_data = data.split("=", 2)