Item "Gathered Environment|h" "command-sequence math-mode on; math-insert \gathered"
Item "Split Environment|S" "command-sequence math-mode on; math-insert \split; tabular-feature append-column"
Separator
Item "Gathered Environment|h" "command-sequence math-mode on; math-insert \gathered"
Item "Split Environment|S" "command-sequence math-mode on; math-insert \split; tabular-feature append-column"
Separator