#1:: ; Win+1 hotkey.  Change as desired.
{
    ; Get current clipboard contents.
    myText := Clipboard
    
    ; Determine line ending.  If no CRLF sequence is found,
    ; assume LF endings.  Otherwise, assume CRLF endings.
    StringReplace, myText, myText, `r`n, `r`n, UseErrorLevel
    If ( ErrorLevel = 0 )
    {
        LineEnding := "`n"
    }
    Else
    {
        LineEnding := "`r`n"
    }
    
    ; Replace all blank lines with a section character (§) to use
    ; as a delimiter.
    StringReplace, myText, myText, %LineEnding%%LineEnding%, §, All
    
    ; Sort using custom delimiter.
    Sort, myText, d§
    
    ; Restore line endings.
    StringReplace, myText, myText, §, %LineEnding%%LineEnding%, All
    
    ; Place modified text back on the clipboard.
    Clipboard := myText
}
Return