-sed -i "s/SOME DESCRIPTIVE TITLE./FRIENDICA Distributed Social Network/g" "$OUTFILE"
-sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/2010, 2011 the Friendica Project/g" "$OUTFILE"
-sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Mike Macgirvin, 2010/g" "$OUTFILE"
-sed -i "s/PACKAGE VERSION/$F9KVERSION/g" "$OUTFILE"
-sed -i "s/PACKAGE/Friendica/g" "$OUTFILE"
-sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
-sed -i "s/^\"Plural-Forms/#\"Plural-Forms/g" "$OUTFILE"
+case "$MODE" in
+ 'addon'|'single')
+ sed -i "s/SOME DESCRIPTIVE TITLE./ADDON $ADDONNAME/g" "$OUTFILE"
+ sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER//g" "$OUTFILE"
+ sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.//g" "$OUTFILE"
+ sed -i "s/PACKAGE VERSION//g" "$OUTFILE"
+ sed -i "s/PACKAGE/Friendica $ADDONNAME addon/g" "$OUTFILE"
+ sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
+ sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
+ ;;
+ 'default')
+ sed -i "s/SOME DESCRIPTIVE TITLE./FRIENDICA Distributed Social Network/g" "$OUTFILE"
+ sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/2010, 2011, 2012, 2013 the Friendica Project/g" "$OUTFILE"
+ sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Mike Macgirvin, 2010/g" "$OUTFILE"
+ sed -i "s/PACKAGE VERSION/$F9KVERSION/g" "$OUTFILE"
+ sed -i "s/PACKAGE/Friendica/g" "$OUTFILE"
+ sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
+ sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
+ ;;
+esac