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latexindent：它完成工作，但发出这些消息

tag-icon • tag-icon latexindent
latexindent：它完成工作，但发出这些消息 
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*\\begin{ <-- HERE document}/ at /opt/texbin/latexindent line 677.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\begin{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1047.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\end{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1073.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\end{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1199.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\begin{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1220.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*(\$)?\\begin{ <-- HERE \\?(.*?)}/ at /opt/texbin/latexindent line 1621.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*\\end{ <-- HERE \\?(.*?)}/ at /opt/texbin/latexindent line 1682.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\end{ <-- HERE table}/ at /opt/texbin/latexindent line 1621, <MAINFILE> line 1.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\end{ <-- HERE tabular}/ at /opt/texbin/latexindent line 1621, <MAINFILE> line 6.

我肯定做了一些傻事。但那是什么呢？

更新

这是我的localSettings.yaml文件：

# Default value of indentation
defaultIndent: "  "

# remove trailing whitespace from all lines 
removeTrailingWhitespace: 1

#  verbatim environments- environments specified 
#  in this hash table will not be changed at all!
# vim: +2,/^\s*$/-1!column -t | sort -u | awk '{print "\t" $0}'
verbatimEnvironments:
    ADA:                  1
    algorithmic:          1
    AWKPROG:              1
    CEEPL:                1
    code:                 1
    Code:                 1
    CPLUSPLUS:            1
    EIFFEL:               1
    EMEL:                 1
    EMELRESPONSE:         1
    JAVA:                 1
    lcode:                1
    lCode:                1
    lola:                 1
    LOLA:                 1
    LolaCodeTcbListing:   1
    LolaCodeTcbListing*:  1
    lstlisting:           1
    OCCAM:                1
    PASCAL:               1
    PYTHON:               1
    sample:               1
    Sample:               1
    session:              1
    verbatim:             1

# no indent blocks (not necessarily verbatim environments) which are marked as
# %\begin{noindent} or anything else that the user puts in this hash table
noIndentBlock:
    noindent: 1
    cmhtest: 1

# if you don't want to have additional indentation in an environment put it in
# this hash table; note that environments in this hash table will inherit the
# *current* level of indentation they just won't get any *additional*.
# vim: +2,/^\s*$/-1!column -t | sort -u | awk '{print "\t" $0}'
noAdditionalIndent:
    frame:               1

indentAfterHeading:
    part :
      indent : 0
      level : 1
    chapter :
      indent : 0
      level : 2
    section :
      indent : 0
      level : 3

# vim: +2,/^\s*$/-1!column -t | sort -u | awk '{print "\t" $0}'
indentAfterItems:
    description:  1
    enumerate:    1
    itemize:      1

# vim: +2,/^\s*$/-1!column -t | sort -u | awk '{print "\t" $0}'
constructIfElseFi:
    if@fast:       1
    ifnum:         1
    ifodd:         1
    @ifundefined:  1

# vim: +2,/^\s*$/-1!column -t | sort -u | awk '{print "\t" $0}'
lookForAlignDelims:
    align:      1
    align*:     1
    alignat:    1
    alignat*:   1
    aligned:    1
    array:      1
    bmatrix:    1
    cases:      1
    dcases:     1
    eqnarray:   1
    eqnarray*:  1
    listabla:   1
    longtable:  1
    matrix:     1
    pmatrix:    1
    tabular:    1
    tabularx:   1

输入是一个名为的文件input.tex：

\begin{itemize}
\item a
\end{itemize}

运行后输出latexindent -l input.tex为：

Unescaped left brace in regex is deprecated, passed through in regex;     marked by <-- HERE in m/^\s*\\begin{ <-- HERE document}/ at /opt/texbin/latexindent line 677.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\begin{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1047.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\end{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1073.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\end{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1199.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\begin{ <-- HERE (.*?)}/ at /opt/texbin/latexindent line 1220.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*(\$)?\\begin{ <-- HERE \\?(.*?)}/ at /opt/texbin/latexindent line 1621.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*\\end{ <-- HERE \\?(.*?)}/ at /opt/texbin/latexindent line 1682.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\end{ <-- HERE itemize}/ at /opt/texbin/latexindent line 1621, <MAINFILE> line 1.
\begin{itemize}
  \item a
\end{itemize}

更新 我手动编辑了源代码，解决了这个问题。但其他问题又出现了：

Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*\\begin{ <-- HERE document}/ at /home/yogi/bin/latexindent line 677.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\begin{ <-- HERE (.*?)}/ at /home/yogi/bin/latexindent line 1047.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*%\*\s*\\end{ <-- HERE (.*?)}/ at /home/yogi/bin/latexindent line 1073.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\end{ <-- HERE (.*?)}/ at /home/yogi/bin/latexindent line 1199.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^%\s*\\begin{ <-- HERE (.*?)}/ at /home/yogi/bin/latexindent line 1220.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*(\$)?\\begin{ <-- HERE \\?(.*?)}/ at /home/yogi/bin/latexindent line 1621.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\s*\\end{ <-- HERE \\?(.*?)}/ at /home/yogi/bin/latexindent line 1682.

这是因为/home/yogi/bin/latexindent从git 存储库。

答案1

要复制警告，只需latexindent在终端中输入。

这是由于{perl 脚本中使用的正则表达式中的字符latexindent.pl应按照以下要求进行转义而发出的警告：perl 弃用。

要纠正这些问题，只需将警告中提到的行中的左括号转义即可。例如第 677 行：

if(m/^\s*\\begin{document}/)

应修改为：

if(m/^\s*\\begin\{document}/)

等等。

这些警告可以忽略，但从 perl v5.26 开始它们将成为语法错误。

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