Because the search is incremental, Emacs begins highlighting matches as you type a single character-in this case, when you press the t key, all the t characters in the buffer are highlighted.

由于搜索是增量式的，因此Emacs会在键入一个字符的时候就开始突出显示匹配项——在本例中，当您按下t键时，会突出显示缓冲区中的所有t字符。

youdao

The Voodoo 5 5000 also features the T-Buffer Digital Cinematic Effects engine, which creates cinematic effects including motion blur, depth of field, soft reflections and soft focus.

CNN: 3dfx announces Voodoo 4 and 5 - Novmeber 16, 1999

It also features FSA and T-Buffer technology.

CNN: 3dfx announces Voodoo 4 and 5 - Novmeber 16, 1999