patch 44-48
- 7.1.044 in Insert mode 0 CTRL-T deletes all indent
- 7.1.045 double screen redraw in some situations
- 7.1.046 ":s/.*/&/" deletes composing characters
- 7.1.047 wrong argument for vim_regcomp()
- 7.1.048 paren highlighting is not updated after scrolling