``` C:\Program Files (x86)\Geany\bin>chcp 65001 65001
C:\Program Files (x86)\Geany\bin>echo "Без названия" > "c:\666\example2.txt"
C:\Program Files (x86)\Geany\bin>grep -nHIiFR 'Без названия' C:\666
C:\Program Files (x86)\Geany\bin>grep -nHIiFR "Без названия" C:\666 C:\666/example2.txt:1:"▒▒▒▒▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒"
C:\Program Files (x86)\Geany\bin>copy "c:\666\example2.txt" con "Без названия" The handle is invalid. 0 file(s) copied.
C:\Program Files (x86)\Geany\bin>echo Без названия > "c:\666\example2.txt"
C:\Program Files (x86)\Geany\bin>copy "c:\666\example2.txt" con Без названия The handle is invalid. 0 file(s) copied.
C:\Program Files (x86)\Geany\bin>grep -nHIiFR 'Без названия' C:\666
C:\Program Files (x86)\Geany\bin>grep -nHIiFR "Без названия" C:\666
C:\Program Files (x86)\Geany\bin> ```
Looks like enclosing the search argument in quotes(") is right way, but quotes should not consider as beginning and ending of searching string in Windows version grep utility.
