Unfortunately, in pure XSLT 1.0, most of the commands for handling input of a transform are forbidden from use on output.

遗憾的是，在纯粹的 XSLT 1.0 中，大多数用于处理转换输入的命令都被禁止用于输出。

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You can play around with output properties, set error handling (not only for XSL transformations, but also for locating input sources) and find a variety of other goodies in the API.

您可以尝试输出特性，设置错误处理(不仅在xsl变换时，而且还在查找输入源时)，并发现API中的各种好东西。

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The front end also saw changes in version 4.2 with the overhauling of C++ visibility handling and support for Fortran 2003 streaming input/output (I/O) extensions.

在 4.2 发行版中前端也有所变化。 修改了 C++ 可见性处理和对 Fortran 2003 streaming input/output（I/O）扩展的支持。

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