\usepackage[T1]{fontenc} with \textsf: strange phenomenon
6248
fontenc changes sans serif bold font in KOMA-script
67017
My text's font style changes and goes to italic after using the Pi symbol
28243
Font characters displayed as squares in Ubuntu 18.04
26280
The case of the bleeding monospace font!
157043
Metafont Book - problems with gray.tfm and displaying "experiment 2"
79316
pdfTeX error (font expansion): auto expansion is only possible with scalable fonts even with \usepackage[T1]{fontenc}
100481
How to make tr aware of non-ascii(unicode) characters?
73495
How to set temporary math font?
121666
How do I apply both \mathbf and \left to a \langle?
110133
Left and right quotation marks aren't correct when using fontspec
76875
strange character replacement on SO
93010
curious luatex warning checksum mismatch in font txr.vf ignored
87218
Can't get my pdf and .ps files to use type 1 fonts
152000
Is there a preference of when to use \text and \mathrm?
78975
XeTeX/mathspec math environment font
37511
Why shouldn't I use getnonfreefonts to install additional fonts? Why shouldn't I use updmap when installing or removing fonts?
80833
Fontspec causes long underscores