tbl: fix handling single-digit fonts when switching fonts
tree78833872759307f331fb981385f19aedd3fd3e8d
-rw-r--r-- 259 NOTICE
-rw-r--r-- 1988 README
-rw-r--r-- 93 conf.mk
drwxr-xr-x - eqn
drwxr-xr-x - grap
drwxr-xr-x - home
drwxr-xr-x - mkdev
drwxr-xr-x - pic
drwxr-xr-x - refer
drwxr-xr-x - tbl
drwxr-xr-x - tr2ps
drwxr-xr-x - troff