Redmine

Wiki page collapse block image is not displayed in exported PDF.
I wrote collapse_block_pdf.patch.

• Sample Text
  

  redmine image test AAA
  
  !logo_rbpdf_8bit.png!
  
  {{collapse(showshow, hidehide)
  redmine collapse image test BBB
  
  !logo_rbpdf_8bit.png!
  
  }}
  

• Not collapse block image is displayed in exported PDF.
• Collapse block image is not displayed in exported PDF.

http://www.redmine.org/boards/2/topics/55229 is the same problem.

• environment
  

  $ ruby bin/about
  
  sh: bzr: command not found
  Environment:
    Redmine version                4.0.0.devel.17718
    Ruby version                   2.4.0-p0 (2016-12-24) [i686-linux]
    Rails version                  5.2.2
    Environment                    production
    Database adapter               SQLite
    Mailer queue                   ActiveJob::QueueAdapters::AsyncAdapter
    Mailer delivery                smtp
  SCM:
    Subversion                     1.6.11
    Mercurial                      1.4
    Git                            1.7.12.4
    Filesystem                     
  Redmine plugins:
    no plugin installed