变音符号的转义码“{u}”给出“Runaway 参数?”错误

变音符号的转义码“{u}”给出“Runaway 参数?”错误

我在 .bib 文件中使用转义码\"{u}来表示变音符号“ü”。但是,当我编译文档时,出现以下错误:

Runaway argument?
{Phonetische studien. Zeitschrift f\}. \par \end {thebibliography} 
! File ended while scanning use of \emph .

其中变音符号“ü”应该位于“Zeitschrift für ...”中。

但是其他空格代码可以正常工作,例如\'{u}ù。我猜想这与我的主要文档的序言有关,但我不知道如何解决它(谷歌搜索没有帮助)。这是我的序言:

\documentclass[letterpaper, 12pt, onecolumn, notitlepage]{article}
\usepackage[margin = 1in]{geometry} % set margins
\pagestyle{myheadings} % page numbers in top right corner
\linespread{1.6} % double spacing throughout the document
\usepackage[hang, flushmargin]{footmisc} % no indent in footnotes
\usepackage{lmodern} % font
\usepackage{linguex} % for \ex. (numbered examples)
\usepackage{tipa} % for \textipa (IPA symbols)
\usepackage[normalem]{ulem} % for \uline
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\renewcommand{\textipa}[1]{{\fontencoding{T3}\fontfamily{cmr}\selectfont#1}} % this prevents the \textipa command from trying to employ lmodern (which it cannot do). The effect is only that a warning message about it won't appear.
\usepackage{natbib} % package for bibliography
\bibpunct{}{}{,}{a}{}{,} % punctuation for citations
\date{} % date is not printed with title

答案1

{\"u}那么用代替怎么样\"{u}

答案2

\"{u}在文中使用怎么样?我得到了你想要的答案。

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