I think most developers and testers will admit that when they need a 'quick-edit' tool they use notepad. If you want to use a notepad that is on steroids try this one:
Tip of the day: If you save your file using "<filename> " notepad will NOT add the .txt extension to the end of the file.
http://www.flos-freeware.ch/notepad2.html
I've set this as my default notepad (as should all build teams or add it to your common tools) courtesy of Roland's directions...
http://weblogs.asp.net/rweigelt/archive/2004/08/12/213085.aspx
Some (but not all listed) features include.... - Customizable syntax highlighting: - HTML, XML, CSS, JavaScript, VBScript, ASP, PHP, CSS, Perl/CGI - C/C++, C#, Java, VB, Pascal, Assembler, SQL, Python, NSIS - INI, REG, INF, BAT, DIFF - Drag & drop text editing inside and outside Notepad2 - Basic regular expression search and replace - Useful word, line and block editing shortcuts - Rectangular selection (Alt+Mouse) - Brace matching, auto indent, long line marker, zoom functions - Support for Unicode, UTF-8, Unix and Mac text files - Open shell links - Mostly adjustable