Fig. 1, copy the code on a web page, paste it into vim editor, and press
gg=GAfter indenting, a vertical line appears at the front end of line 4, and looking at that distance, it is
tabThe spacing of the.
Figure 2. Save the content and close it. Open vim again to edit this file. Press
gg=GIndent, the format is normal this time, the leftmost number on line 4 is four spaces.
Why directly copy and paste the contents
gg=GWhat kind of situation will happen?
That’s not a vertical line, that’s vim’s screen is not redrawn, in normal mode,
ctrl-lRedrawing the screen.