我想将该fontenc包与字体包结合使用charter（用于pdflatex编译）。\usepackage[TI]{fontenc}但是，包含后，德语变音符号的大写版本不再正确呈现。有没有办法解决这个问题，或者这两个包不兼容？
梅威瑟：
\documentclass{standalone}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{charter}
\begin{document}
Ü Ä Ö
\end{document}
结果：
编辑：
按照评论中的要求使用\showoutput该类可获得以下结果：acticle
\vbox(633.0+0.0)x407.0
.\glue 16.0
.\vbox(617.0+0.0)x345.0, shifted 62.0
..\vbox(12.0+0.0)x345.0, glue set 12.0fil
...\glue 0.0 plus 1.0fil
...\hbox(0.0+0.0)x345.0
..\glue 25.0
..\glue(\lineskip) 0.0
..\vbox(550.0+0.0)x345.0, glue set 539.94232fil
...\write-{}
...\glue(\topskip) 1.01001
...\hbox(8.98999+0.14)x345.0, glue set 303.8fil
....\hbox(0.0+0.0)x15.0
....\T1/bch/m/n/10 Ü
....\glue 2.78 plus 1.66832 minus 0.67065
....\T1/bch/m/n/10 Ä
....\glue 2.78 plus 1.66832 minus 0.67065
....\T1/bch/m/n/10 Ö
....\penalty 10000
....\glue(\parfillskip) 0.0 plus 1.0fil
....\glue(\rightskip) 0.0
...\glue -0.14
...\glue 0.0 plus 1.0fil
...\glue 0.0
...\glue 0.0 plus 0.0001fil
..\glue(\baselineskip) 23.175
..\hbox(6.825+0.0)x345.0, glue set 169.72fil
...\glue 0.0 plus 1.0fil
...\T1/bch/m/n/10 1
...\glue 0.0 plus 1.0fil
{/usr/local/texlive/2020/texmf-var/fonts/map/pdftex/updmap/pdftex.map}
(/compile/output.aux) )
Here is how much of TeX's memory you used:
633 strings out of 480906
8851 string characters out of 5908280
242476 words of memory out of 5000000
16294 multiletter control sequences out of 15000+600000
538673 words of font info for 32 fonts, out of 8000000 for 9000
1141 hyphenation exceptions out of 8191
25i,4n,25p,150b,97s stack positions out of 5000i,500n,10000p,200000b,80000s
{/usr/local/texlive/2020/texmf-dist/fonts/enc/dvips/base
/8r.enc}</usr/local/texlive/2020/texmf-dist/fonts/type1/bitstrea/charter/bchr8a
.pfb>
Output written on /compile/output.pdf (1 page, 10738 bytes).
PDF statistics:
13 PDF objects out of 1000 (max. 8388607)
8 compressed objects within 1 object stream
0 named destinations out of 1000 (max. 500000)
1 words of extra memory for PDF output out of 10000 (max. 10000000)