LaTeX有时会在分句后放置太多或太少的空间 [英] LaTeX sometimes puts too much or too little space after periods

问题描述

LaTeX 试图猜测句号是否结束了一个句子，在这种情况下，它会在它之后放置额外的空格.这是两个错误的示例:

LaTeX tries to guess whether a period ends a sentence, in which case it puts extra space after it. Here are two examples where it guesses wrong:

I watched Superman III. Then I went home. 

(超人III"之后的空间太小.)

(Too little space after "Superman III.".)

After brushing teeth etc. I went to bed.

(等"后的空格过多.)

(Too much space after "etc.".)

请注意，在LaTeX源中使用多少空格并不重要，因为LaTeX会忽略该空格.

Note that it doesn't matter how much whitespace you use in the LaTeX source since LaTeX ignores that.

推荐答案

我在这里找到了答案: http://john.regehr.org/latex/.摘录:

I found the answer here: http://john.regehr.org/latex/. Excerpt:

当一个非句子结尾的时间段后跟一个空格时，该空格必须是一个明确的空白.所以第二个例子应该是:

When a non-sentence-ending period is to be followed by a space, the space must be an explicit blank. So the second example should be:

After brushing teeth etc.\ I went to bed.

与第一个示例一样，当大写字母在输入中位于句子结尾句段之前时，就会发生此问题的相反情况.在这种情况下，LaTeX假定句号以缩写结尾，并在其后加上单词间空格而不是句子间空格.解决方法是将" \ @ "放在句号之前.所以第一个例子应该是

The converse of this problem happens when a capital letter precedes a sentence-ending period in the input, as in the first example. In this case LaTeX assumes that the period terminates an abbreviation and follows it with inter-word space rather than inter-sentence space. The fix is to put "\@" before the period. So the first example should be

I watched Superman III\@. Then I went home.

找到此错误的简便方法是:

A handy way to find this error is:

grep '[A-Z]\.' *.tex

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