Idea originally from caolan. Found using the following command: find . -name *.cxx | xargs /opt/local/bin/grep -zlP '(?m)if\s*\(\s*\w+\s*\)\s*delete\s+\w+\;' Change-Id: I3338f4e22193a6dfd6219c8c75835224a3392763
Filter for a word processor file format popular in Korea (Hangul Word Processor). Unfortunately apparently there is a newer version of the file format in use nowadays and the code doesn't handle that correctly but silently corrupts the input. See fdo#70097.