I cannot see what you are doing wrong (why the \t is not seen as a tab) but if you change all your \t to actual tab characters you get:
Name Birthday Telephone John Smith 1/1/70 (410) 555‐1111 Dave Jones 2/2/63 (311) 800‐0000 Bob Williams‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐3/3/56‐‐‐‐‐‐‐‐‐(999) 555‐2222 Mike On Wed, Apr 05, 2017 at 10:18:34AM -0400, T. Kurt Bond wrote: > Hello, > > I'm trying to use tabs and tab stops in groff to so some simple tables, and > can't figure out why it is not working. Here's the input: > > .\" groff -mm tabs.mm | ps2pdf - tabs.pdf > .P > A sentence to start the example. > .\" http://cmd.inp.nsk.su/old/cmd2/manuals/unix/UNIX_Unleashed/ch08.htm > .\" output should look something like: > .\" > http://cmd.inp.nsk.su/old/cmd2/manuals/unix/UNIX_Unleashed/art/08/08unx25.gif > .nf > .ta 3i 4.5i > Name\tBirthday\tTelephone > > John Smith\t1/1/70\t(410) 555-1111 > Dave Jones\t2/2/63\t(311) 800-0000 > .tc - > Bob Williams\t3/3/56\t(999) 555-2222 > .fi > .P > A sentence to end the example. > > > I get a result with everything smashed together, as if the "\t"s weren't > there at all. > > Any idea what I'm doing wrong? > > -- > T. Kurt Bond, tkurtb...@gmail.com -- Mike Bianchi Foveal Systems 973 822-2085 mbian...@foveal.com http://www.AutoAuditorium.com http://www.FovealMounts.com