> blurf : mumble + 1 $
>
> i.e. put a space between the last bit and the dollar sign.
>
> Also, the existing examples were mostly generated with the
> global variable linel = 65. That helps examples stay within the
> text width for .info and .html output. I guess you have the default
> value.
>
> You might use the script doc/info/update_examples to regenerate
> the @example stuff. See: doc/info/README.update_examples
> You might discover the displayed results have diverged slightly
> since they were last generated; I guess bringing them up to date is
> a good idea.
I also suggest to check how the output is rendered in the pdf documents.
Sometimes the lines are too long for the available width.
Mario