It finds if there are 2 consecutive returns in a script, and if there are, gives you the line number. (You still must fix it yourself. For instructions on how refer to this: http://forum.wc3edit.net/viewtopic.php? ... 09#p142909)
You have to use it on the script, not the warcraft map file.
This has been extremely useful to me when finding return bugs. Hope it helps.
If you want the source, pm me.
Just use the browse button to fill in the path to the code you want checked, and press the check button.
2.0 updates:
-There is now a window to open the .j file and edit it via there. This saves you having to JASSCraft the map to fix it.
-You can now open .w3x files to check.
-You now need MPQLib.dll in the folder where the application is.
-Stealers suggestion has been implemented - the errors now show in a listbox, not in messageboxes. (Comments will be ignored later.)
-w3e won't let me upload .dlls, so I packed it into a .zip.
Unzip with 7Zip.