if confusion

Simple question:

Why doesn't the following work? Or what 'R' rule am I missing?

tclass <-  "Testing 1 2 3"
if(tclass == "Testing 1 2 3")
{
    cat("Testing", tclass, "\n")
}
else
{
    cat(tclass, "\n")
}

I get an error 'else' is unexpected.

The segment

if(tclass == "Testing 1 2 3")
{
     cat("Testing", tclass, "\n")
}

Is syntactically complete, so that when the parser comes to the  
``else'' it
finds it ``dangling'' and hence ``unexpected''.

The following wee adjustment works:

tclass <-  "Testing 1 2 3"
if(tclass == "Testing 1 2 3")
{
     cat("Testing", tclass, "\n")
} else {
     cat(tclass, "\n")
}

	cheers,

		Rolf Turner

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