TechWhirl (TECHWR-L) is a resource for technical writing and technical communications professionals of all experience levels and in all industries to share their experiences and acquire information.
For two decades, technical communicators have turned to TechWhirl to ask and answer questions about the always-changing world of technical communications, such as tools, skills, career paths, methodologies, and emerging industries. The TechWhirl Archives and magazine, created for, by and about technical writers, offer a wealth of knowledge to everyone with an interest in any aspect of technical communications.
> Dick Margulis' suggestion is entirely the best way to go:
> Column headings:
>
> A[1] B[2] C[3]
>
> ...where I'm using square brackets to indicate that the numbers are
> superscripts that point to table notes.
Thanks to all for responding. I may not be able to sell this to the rest of the design team but I agree that using a reference to a descriptive explanation is an excellent solution in most cases.