Decrease Indent
インデントを減らす アイコンをクリックすると、現在の段落またはセルの内容の左インデントが減り、前のタブ位置に設定されます。
If you previously increased the indentation for several collectively selected paragraphs, this command can decrease the indentation for all of the selected paragraphs.The cell content refers to the current value under Format - Cells - Alignment.
If you click the Decrease Indent icon while holding down the CommandCtrl key, the indent for the selected paragraph is moved by the default tab stop that has been set under Collabora Office Writer - General in the Options dialog box.