when I manually managed launchers in file I wrapped all long lines by 80 symbols.
Please, keep this functionality when auo-save launcher file from manager
fixed, change set:
Integrated into 'main-silver', will be available in build *201604160001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
User: Alexander Simon <email@example.com>
Log: fixed Bug 258852 [launchers] wrap long lines