tab: Add debugging checks to tab_hline() to match those for tab_vline().
[pspp] / texinfo.tex
2009-12-16 John DarringtonMerge commit 'origin/stable'
2009-10-24 Ben PfaffMerge "master" into "output".
2009-09-24 John DarringtonMerge commit 'origin/stable'
2009-09-04 Ben PfaffFix missing @clicksequence problem with older Texinfo...