Match a backspace if in character matching mode.
比赛一退格如果在字符匹配模式。
Backspace delay lasts about0.05 seconds. If OFILL is set, one fill character is transmitted.
退格符延迟大约持续0.05秒。如果OFILL设定了，则传送一个填充字符。
Backspace "Backspace" moves the cursor one space to the left, at the same time erasing any character it moves over.
键将光标向左移一格，同时删除它移过的任何字符。
A character with no visible representation, such as a control character, a backspace, newline, and so on.
不可见字符。如控制符、回退删除符、换行符等。
If you want to erase it later, just backspace over it like you would a text character you want to delete.
如果您想清除它以后，只要退了它，就像您的文字性质要删除。
If you want to erase it later, just backspace over it like you would a text character you want to delete.
如果您想清除它以后，只要退了它，就像您的文字性质要删除。
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