On page 481 in rexxref.pdf 4.1.2 rev. 1 the documentation for RxMessageBox lists NONE as button (3rd argument), but it is an icon (4th argument). I'm still using the HTML files for 4.0.1, where I found this nit.
Ok, we'll fix that.
You seem to have CSS turned off.
Please don't fill out this field.
Committed revision 8908. [r8908] docs trunk
Committed revision 8910. [r8910] docs 4.1 fixes branch
This documentation bug is fixed in the ooRexx 4.1.3 release.