On Sunday 06 April 2008 10:19, gene wrote: > OK, that's sort of what I thought- thanks. It's just that I hate the > look of "+3_3V", but maybe "+3r3V" isn't so ugly. The leading "+" is one of those problems. Underscores are usually ok. Embedded "+" is also sometimes a problem. "foo+bar" .. is that the sum of foo and bar?