[Groff] Bug report: interaction between tbl and string variables

[Larry Kollar]

Here's a minimal example. See the attached PNG for output.

.\" groff -t -ms tblbug.ms >tblbug.ps
.\" auto-generated cross-refs
.ds xref:controlwaniso:txt Controlling the WAN Isolation State
.ds xref:controlwaniso:pg 79
.ds xref:setipv6fwd:txt Setting IPv6 \%Forwarding
.ds xref:setipv6fwd:pg 80
.ds xref:setdocs1frag:txt Setting DOCSIS 1.0 Fragmentation Support
.ds xref:setdocs1frag:pg 80
.ds xref:configloopcurrent:txt Configuring Loop Current
.ds xref:configloopcurrent:pg 81
.\" --------------------------------------------------------
.\" Usage: \*[XRIH tag]
.ds XRIH \&\\*[xref:\\$1:txt]
.ds XRIP \&\\*[xref:\\$1:pg]
.\" --------------------------------------------------------
.LP
This document illustrates a bug when
.I tbl
interacts with string variable names that include numerals.
.TS
expand;
lfHBp-1 lfHBp-1
l n .
Task    Page
_
\*[XRIH controlwaniso]  \*[XRIP controlwaniso]
\*[XRIH setipv6fwd]     \*[XRIP setipv6fwd]
\*[XRIH setdocs1frag]   \*[XRIP setdocs1frag]
\*[XRIH configloopcurrent]      \*[XRIP configloopcurrent]
.TE
.LP
As can be seen above,
the page number is shifted improperly
when its string name contains numerals.
.\" ---------- EOF ----------------

The obvious workaround, don't use numbers in string variable names, is a hassle.

-- Larry