文本编辑器（或称文字编辑器）是用作编写普通文字的应用软件，它与文档编辑器（或称文字处理器）不同之处在于它并非用作桌面排版（例如文档格式处理），它常用来编写程序的源代码。(A text editor (or text editor) is used as the application software is written in ordinary text, and document editor (or word processor) the difference is that it is