I am running into an issue with named parameters being marked as errors in the editor for ruby files. Specifically, I'm on Aptana Studio 3.6.0 using the standalone version and not the eclipse plugin. However I also saw this error on previous versions including 3.4.2. Basically any time I use named parameters they get marked as errors. Here is an example:
I noticed that there is an older ticket at
APSTUD-373 which seems related. Yet that ticket doesn't mention what the error was. In my case, the error is syntax error, unexpected tLABEL as shown in the screenshot.