Format bodyless union without trailing space.
Also fix some whitespace.
@@ -412,7 +412,12 @@ const fallbackfmt = {sb, params, tyenc, ap : valist# -> void
;;
(subname, subenc) = ncnext(&nc)
sbfmt(sb, "`{}", subname)
+ match typedesc(subenc)
+ | `Tynone:
+ | _:
+ sbputc(sb, ' ')
fmtval(sb, subenc, &subap, "")
+ ;;
vabytes(ap)
| `Tyname (name, desc):
subap = vaenter(ap)
