master
[fonts]: Fix \[oq] and \[cq] in X11 text fonts.
groff pre-1.16 with new directory structure
Similar to \[is], the square root glyph (\[sr]) and the square root extension glyph (\[radicalex]) are now text symbols. The new mathematical versions are called \[sqrt] and \[sqrtex], respectively.
Declare groff's provenance consistently (redux).