@hook@newslide @slidebox ifundefined@overlayoverlay ifundefined@overlay ifgoodpsoverlayseminarerrYou need to use additional macros for overlays, e.g., semcolor.styehd tempcnta=@ testfalse tempcnta>-1 tempcnta<10 testtrue @test @̧overlay=tempcnta @̧overlay=0 @̧slide by -1 @̧overlay by -1 overlayseminarerrYou need to use additional macros for overlays, e.g., semcolor.styehd tempcnta=@ testfalse tempcnta>-1 tempcnta<10 testtrue @test @̧overlay=tempcnta @̧overlay=0 @̧slide by -1 @̧overlay by -1 overlay@listoverlay@list,@̧overlay overlay@̧overlay seminarerr\csname overlay argument must be an integer between 0 and 9eha seminarerr\csname overlay can only be used in slide environmentseha listoverlay@list,@̧overlay overlay@̧overlay seminarerr\csname overlay argument must be an integer between 0 and 9eha seminarerr\csname overlay can only be used in slide environmentseha pagestyle ifgoodps@pagestyle