Item "Protected Horizontal Fill|i" "next-inset-modify space \hspace*{\fill}"
Item "Horizontal Fill (Dots)|D" "next-inset-modify space \dotfill{}"
Item "Horizontal Fill (Rule)|R" "next-inset-modify space \hrulefill{}"
+ Item "Horizontal Fill (Left Arrow)|L" "next-inset-modify space \leftarrowfill{}"
+ Item "Horizontal Fill (Right Arrow)|g" "next-inset-modify space \rightarrowfill{}"
+ Item "Horizontal Fill (Up Brace)|p" "next-inset-modify space \upbracefill{}"
+ Item "Horizontal Fill (Down Brace)|B" "next-inset-modify space \downbracefill{}"
Item "Custom Length|C" "command-sequence next-inset-modify space \hspace{} \length 1in; next-inset-toggle"
Separator
Item "Settings...|S" "next-inset-toggle"