Papertrail Mark
Extension Actions
            CRX ID
            
          
          
          
              lpoipbjjahejjkhefhhaeahjeakmeoeh
            
          
            Description from extension meta
            
          
          
          Add marks to Papertrail
            Image from store
            
              
            
          
          
          
          
            Description from store
            
            
          
          
          Adds large marker separators on button click.
Source code available at https://github.com/Mikulas/papertrail-mark
Unofficial extension, not affiliated with Papertrail.