当我编译时：
\documentclass{scrartcl}
\usepackage{fontspec}
\begin{document}
Hallo
\end{document}
在带有 XeLaTex 和命令行的 Texmaker 5.0.2 上：
xelatex -synctex=1 -interaction=nonstopmode -shell-escape %.tex
我收到以下错误消息：
! LaTeX error: "kernel/invalid-variant"
! Variant form 'e' invalid for base form '\tl_if_empty_p:n'.
! See the LaTeX3 documentation for further information.
版本：
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (MiKTeX 2.9.6960 64-bit) (preloaded format=pdflatex 2019.2.2) 16 FEB 2019 23:07
我已经重新安装了 fontspec 包。
我的基本要求是将 Amatic RC Regular 绑定到 LaTeX（手写风格的字体），但我不得不承认我失败得很惨。
也许你们中的一些人知道这个错误？
日志档案：
This is XeTeX, Version 3.14159265-2.6-0.999991 (MiKTeX 2.9.6960 64-bit) (preloaded format=xelatex 2019.2.16) 17 FEB 2019 07:15
entering extended mode
**./Amatic.tex
(Amatic.tex
LaTeX2e <2018-12-01>
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Document Class: scrartcl 2017/09/07 v3.24 KOMA-Script document class (article)
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Package: scrkbase 2017/09/07 v3.24 KOMA-Script package (KOMA-Script-dependent b
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Package: scrbase 2017/09/07 v3.24 KOMA-Script package (KOMA-Script-independent
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Package: keyval 2014/10/28 v1.15 key=value parser (DPC)
\KV@toks@=\toks14
)
(C:\Users\Martin\AppData\Roaming\MiKTeX\2.9\tex/latex/koma-script\scrlfile.sty
Package: scrlfile 2017/09/07 v3.24 KOMA-Script package (loading files)
)))
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Package: tocbasic 2017/09/07 v3.24 KOMA-Script package (handling toc-files)
\scr@dte@tocline@numberwidth=\skip41
\scr@dte@tocline@numbox=\box27
)
Package tocbasic Info: omitting babel extension for `toc'
(tocbasic) because of feature `nobabel' available
(tocbasic) for `toc' on input line 133.
Package tocbasic Info: omitting babel extension for `lof'
(tocbasic) because of feature `nobabel' available
(tocbasic) for `lof' on input line 135.
Package tocbasic Info: omitting babel extension for `lot'
(tocbasic) because of feature `nobabel' available
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Class scrartcl Info: File `scrsize11pt.clo' used instead of
(scrartcl) file `scrsize11.clo' to setup font sizes on input line 208
0.
(C:\Users\Martin\AppData\Roaming\MiKTeX\2.9\tex/latex/koma-script\scrsize11pt.c
lo
File: scrsize11pt.clo 2017/09/07 v3.24 KOMA-Script font size class option (11pt
)
)
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(typearea) on input line 1686.
)
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LaTeX Info: Redefining \textsubscript on input line 4161.
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\c@figure=\count87
\c@table=\count88
Class scrartcl Info: Redefining `\numberline' on input line 5319.
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(C:\Users\Martin\AppData\Roaming\MiKTeX\2.9\tex/latex/l3kernel\l3xdvipdfmx.def
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\g__driver_image_int=\count170
))
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)
Package: fontspec 2019/01/25 v2.7a Font selection for XeLaTeX and LuaLaTeX
(D:\Installed\MiKTeX\tex/latex/fontspec\fontspec-xetex.sty
Package: fontspec-xetex 2019/01/25 v2.7a Font selection for XeLaTeX and LuaLaTe
X
\l__fontspec_script_int=\count176
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(D:\Installed\MiKTeX\tex/latex/base\fontenc.sty
Package: fontenc 2018/08/11 v2.0j Standard LaTeX package
(D:\Installed\MiKTeX\tex/latex/base\tuenc.def
File: tuenc.def 2018/08/11 v2.0j Standard LaTeX file
LaTeX Font Info: Redeclaring font encoding TU on input line 82.
))
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! LaTeX error: "kernel/invalid-variant"
!
! Variant form 'e' invalid for base form '\tl_if_empty_p:n'.
!
! See the LaTeX3 documentation for further information.
!
! For immediate help type H <return>.
!...............................................
l.508 \cs_generate_variant:Nn \tl_if_empty_p:n {e}
|'''''''''''''''''''''''''''''''''''''''''''''''
| This is a coding error.
|
| LaTeX has been asked to create a variant of the function '\tl_if_empty_p:n'
| with a signature starting with 'e', but cannot change an argument from type
| 'n' to type 'e'.
|...............................................
.................................................
. LaTeX info: "xparse/define-command"
.
. Defining command \fontspec with sig. 'O{}mO{}' on line 584.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setmainfont with sig. 'O{}mO{}' on line 589.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setsansfont with sig. 'O{}mO{}' on line 594.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setmonofont with sig. 'O{}mO{}' on line 599.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setmathrm with sig. 'O{}mO{}' on line 603.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setboldmathrm with sig. 'O{}mO{}' on line 607.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setmathsf with sig. 'O{}mO{}' on line 611.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setmathtt with sig. 'O{}mO{}' on line 615.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setromanfont with sig. 'O{}mO{}' on line 619.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newfontfamily with sig. 'mO{}mO{}' on line 623.
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. LaTeX info: "xparse/define-command"
.
. Defining command \renewfontfamily with sig. 'mO{}mO{}' on line 627.
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. LaTeX info: "xparse/define-command"
.
. Defining command \setfontfamily with sig. 'mO{}mO{}' on line 631.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newfontface with sig. 'mO{}mO{}' on line 635.
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. LaTeX info: "xparse/define-command"
.
. Defining command \defaultfontfeatures with sig. 't+om' on line 642.
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. LaTeX info: "xparse/define-command"
.
. Defining command \addfontfeatures with sig. 'm' on line 646.
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. LaTeX info: "xparse/define-command"
.
. Defining command \addfontfeature with sig. 'm' on line 650.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newfontfeature with sig. 'mm' on line 654.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newAATfeature with sig. 'mmmm' on line 658.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newopentypefeature with sig. 'mmm' on line 662.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newICUfeature with sig. 'mmm' on line 666.
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. LaTeX info: "xparse/define-command"
.
. Defining command \aliasfontfeature with sig. 'mm' on line 670.
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. LaTeX info: "xparse/define-command"
.
. Defining command \aliasfontfeatureoption with sig. 'mmm' on line 674.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newfontscript with sig. 'mm' on line 678.
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. LaTeX info: "xparse/define-command"
.
. Defining command \newfontlanguage with sig. 'mm' on line 682.
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. LaTeX info: "xparse/define-command"
.
. Defining command \DeclareFontExtensions with sig. 'm' on line 686.
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. LaTeX info: "xparse/define-command"
.
. Defining command \IfFontFeatureActiveTF with sig. 'mmm' on line 690.
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. LaTeX info: "xparse/define-command"
.
. Defining command \liningnums with sig. 'm' on line 701.
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. LaTeX info: "xparse/define-command"
.
. Defining command \EncodingCommand with sig. 'mO{}m' on line 3761.
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. LaTeX info: "xparse/define-command"
.
. Defining command \EncodingAccent with sig. 'mm' on line 3767.
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. LaTeX info: "xparse/define-command"
.
. Defining command \EncodingSymbol with sig. 'mm' on line 3773.
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. LaTeX info: "xparse/define-command"
.
. Defining command \EncodingComposite with sig. 'mmm' on line 3779.
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. LaTeX info: "xparse/define-command"
.
. Defining command \EncodingCompositeCommand with sig. 'mmm' on line 3785.
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. LaTeX info: "xparse/define-command"
.
. Defining command \DeclareUnicodeEncoding with sig. 'mm' on line 3810.
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. LaTeX info: "xparse/define-command"
.
. Defining command \UndeclareSymbol with sig. 'm' on line 3816.
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. LaTeX info: "xparse/define-command"
.
. Defining command \UndeclareAccent with sig. 'm' on line 3822.
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. LaTeX info: "xparse/define-command"
.
. Defining command \UndeclareCommand with sig. 'm' on line 3828.
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. LaTeX info: "xparse/define-command"
.
. Defining command \UndeclareComposite with sig. 'mm' on line 3835.
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(D:\Installed\MiKTeX\tex/latex/fontspec\fontspec.cfg)
LaTeX Info: Redefining \itshape on input line 4017.
LaTeX Info: Redefining \slshape on input line 4022.
LaTeX Info: Redefining \scshape on input line 4027.
LaTeX Info: Redefining \upshape on input line 4032.
LaTeX Info: Redefining \em on input line 4062.
LaTeX Info: Redefining \emph on input line 4087.
)) (Amatic.aux)
\openout1 = `Amatic.aux'.
LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 4.
LaTeX Font Info: ... okay on input line 4.
LaTeX Font Info: Checking defaults for T1/cmr/m/n on input line 4.
LaTeX Font Info: ... okay on input line 4.
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LaTeX Font Info: Checking defaults for OMS/cmsy/m/n on input line 4.
LaTeX Font Info: ... okay on input line 4.
LaTeX Font Info: Checking defaults for TU/lmr/m/n on input line 4.
LaTeX Font Info: ... okay on input line 4.
LaTeX Font Info: Checking defaults for OMX/cmex/m/n on input line 4.
LaTeX Font Info: ... okay on input line 4.
LaTeX Font Info: Checking defaults for U/cmr/m/n on input line 4.
LaTeX Font Info: ... okay on input line 4.
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. LaTeX info: "xparse/redefine-command"
.
. Redefining command \oldstylenums with sig. 'm' on line 4.
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. fontspec info: "setup-math"
.
. Adjusting the maths setup (use [no-math] to avoid this).
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\symlegacymaths=\mathgroup4
LaTeX Font Info: Overwriting symbol font `legacymaths' in version `bold'
(Font) OT1/cmr/m/n --> OT1/cmr/bx/n on input line 4.
LaTeX Font Info: Redeclaring math accent \acute on input line 4.
LaTeX Font Info: Redeclaring math accent \grave on input line 4.
LaTeX Font Info: Redeclaring math accent \ddot on input line 4.
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LaTeX Font Info: Redeclaring math symbol \mathdollar on input line 4.
LaTeX Font Info: Redeclaring symbol font `operators' on input line 4.
LaTeX Font Info: Encoding `OT1' has changed to `TU' for symbol font
(Font) `operators' in the math version `normal' on input line 4.
LaTeX Font Info: Overwriting symbol font `operators' in version `normal'
(Font) OT1/cmr/m/n --> TU/lmr/m/n on input line 4.
LaTeX Font Info: Encoding `OT1' has changed to `TU' for symbol font
(Font) `operators' in the math version `bold' on input line 4.
LaTeX Font Info: Overwriting symbol font `operators' in version `bold'
(Font) OT1/cmr/bx/n --> TU/lmr/m/n on input line 4.
LaTeX Font Info: Overwriting symbol font `operators' in version `normal'
(Font) TU/lmr/m/n --> TU/lmr/m/n on input line 4.
LaTeX Font Info: Overwriting math alphabet `\mathit' in version `normal'
(Font) OT1/cmr/m/it --> TU/lmr/m/it on input line 4.
LaTeX Font Info: Overwriting math alphabet `\mathbf' in version `normal'
(Font) OT1/cmr/bx/n --> TU/lmr/bx/n on input line 4.
LaTeX Font Info: Overwriting math alphabet `\mathsf' in version `normal'
(Font) OT1/cmss/m/n --> TU/lmss/m/n on input line 4.
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(Amatic.aux) )
Here is how much of TeX's memory you used:
12420 strings out of 427748
289278 string characters out of 3152492
457168 words of memory out of 3000000
16489 multiletter control sequences out of 15000+200000
530296 words of font info for 25 fonts, out of 3000000 for 9000
1328 hyphenation exceptions out of 8191
46i,6n,51p,10391b,233s stack positions out of 5000i,500n,10000p,200000b,50000s
Output written on Amatic.pdf (1 page).
答案1
您的问题在于您的软件包并非全部都是最新的。您使用的 KOMA-Script 比我的旧，但对您来说重要的是您的expl3-code.tex
(C:\Users\Martin\AppData\Roaming\MiKTeX\2.9\tex/latex/l3kernel\expl3-code.tex
Package: expl3 2018/03/05 L3 programming layer (code)
^^^^^^^^^^
太旧了。里面有一个错误。你需要更新！
我的是
("C:\Program Files\MiKTeX 2.9\tex/latex/l3kernel\expl3-code.tex"
Package: expl3 2019-01-28 L3 programming layer (code)
打开 MiKTeX 控制台，并以管理员和用户身份进行更新（如果您有管理员安装；如果您有用户安装，则仅以用户身份进行更新）。
如果单击并搜索“更新”没有帮助，请单击“软件包”并检查l3kernel是否为最新版本：
- 输入
l3kernel红色箭头指向的位置 - 点击标有 2 的红色圆圈内的标志（激活选择以仅显示带有
l3kernel - 单击 + 号（标有 3 的红色圆圈）以激活包更新。