doc: explain why location's "column" are defined vaguely
commit6ee1494d6ec270a5832b0ce8e2e5f16cca16935d
authorAkim Demaille <akim.demaille@gmail.com>
Sat, 15 Jan 2022 09:28:16 +0000 (15 10:28 +0100)
committerAkim Demaille <akim.demaille@gmail.com>
Wed, 15 Jun 2022 05:55:13 +0000 (15 07:55 +0200)
treef9d38041ad4b84a92b9e3824d018c700547fcaa8
parenta475c4d5c1fff75b31dcedf0124c521e573a5fc7
doc: explain why location's "column" are defined vaguely

Suuggested by Frank Heckenbach.
<https://lists.gnu.org/r/bug-bison/2022-01/msg00000.html>

* doc/bison.texi (Location Type): Explain why location's "column" are
defined vaguely.
Show tab handling in ltcalc and calc++.
* examples/c/bistromathic/parse.y: Show tab handling.
* examples/c++/calc++/calc++.test,
* examples/c/bistromathic/bistromathic.test:
Check tab handling.
doc/bison.texi
examples/c++/calc++/calc++.test
examples/c/bistromathic/bistromathic.test
examples/c/bistromathic/parse.y