Function pushStack

static/editor.md/lib/codemirror/mode/scheme/scheme.js:38–40

(state, indent, type)

    }

    function pushStack(state, indent, type) {
        state.indentStack = new stateStack(indent, type, state.indentStack);
    }

    function popStack(state) {
        state.indentStack = state.indentStack.prev;