Jeffrey Morlan f3fa3ee47e Improvements to cmd ConPrintfPaging:
- Even if there is a console, don't do paging when output is redirected to a file; it would just confuse users with prompts they can't see.
- Instead of WriteFile, use WriteConsole (which has a convenient Unicode version).
- Rework the paging algorithm: don't treat end of string the same way as end-of-line (was causing nul bytes to be output after strings that didn't end with \n), and output multiple lines at once when possible.
- Use the screen buffer width, not the window width, to determine when wrapping will happen.
- Take the initial cursor position into account.

svn path=/trunk/; revision=34847
2008-07-27 14:03:44 +00:00
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