caret造句

Inserts a line break at the current caret position.
在当前插入符号位置插入一条分隔线.

Move the caret to the last line in view, extending the selection.
将插入符号移动到视图的最后一行, 扩展选定范围.

Moves the caret up one page, extending the selection.
将插入符号向上移动一页, 扩展所选内容.