Describe the bug you encountered:

If you use bat on C# source files (.cs, .xaml and others), a space appears in the first line. This is due to byte order mark (BOM)
Maybe reproduced for others files on Windows systems
https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding
Sample file with BOM:
Program.cs.txt

What did you expect to happen instead?
If I delete these bytes:

bat works correctly :

How did you install bat?

GitHub release:
bat-v0.18.3-x86_64-pc-windows-gnu.zip
bat-v0.18.3-x86_64-pc-windows-msvc.zip

bat version and environment

Software version

bat 0.18.3 (b146958)

Operating system

Windows 6.2.9200

Command-line

C:\WINDOWS\system32\bat.exe --diagnostic

Environment variables

SHELL=<not set>
PAGER=<not set>
LESS=<not set>
BAT_PAGER=<not set>
BAT_CACHE_PATH=<not set>
BAT_CONFIG_PATH=<not set>
BAT_OPTS=<not set>
BAT_STYLE=<not set>
BAT_TABS=<not set>
BAT_THEME=<not set>
XDG_CONFIG_HOME=<not set>
XDG_CACHE_HOME=<not set>
COLORTERM=<not set>
NO_COLOR=<not set>
MANPAGER=<not set>

Config file

Could not read contents of 'C:\Users\timoxa\AppData\Roaming\bat\config': Системе не удается найти указанный путь. (os error 3).

Compile time information

• Profile: release
• Target triple: x86_64-pc-windows-gnu
• Family: windows
• OS: windows
• Architecture: x86_64
• Pointer width: 64
• Endian: little
• CPU features: fxsr,sse,sse2
• Host: x86_64-pc-windows-msvc