version=4
opts="repacksuffix=+dfsg,\
      compression=xz,\
      uversionmangle=s/^praat-/praat-/,\
      dversionmangle=s/[~+]dfsg[0-9]*//" \
https://github.com/praat/praat/tags (?:.*?/)?v?(\d[\d.]*)\.tar\.gz
