The next section of Listing 5, sgml-auto-activate-dtd, causes the DTD associated with the document to be parsed as soon as the document is loaded.

清单 5 的下一部分 sgml-auto-activate-dtd 使装入文档时就解析与文档关联的 DTD。

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Furthermore, the projector offers an auto V-Keystone Correction button to automatically activate in response to the installation angle of the projector.

ENGADGET: Sharp shows off the XV-Z15000 1080p projector

When the shutter button is pressed halfway, the LED will automatically activate, illuminating the subject and improving auto focusing precision.

ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations