checking for tons of X11 editors
- replace duplicated (3x) code with function launch_winesetup()
- improved "winesetup not found" error message
- break looping (via code 127) in case no xmessage installed
- stress the fact that people should remember that they can regain certain
settings by deleting flag files
- spelling fixes
yet.
Added install-lib and install-dev targets to allow partial
installations; moved winemaker.man and winelauncher.in to better fit
in the new install categories.
