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- do_justify() off by 1 and off by 2, and fix numbering and handling off bottom line.

   Wrapping and justify should now do the same thing and agree on what where to wrap everything.


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  space while the cursor is on the first character, but delete spaces when it's the second
  character or anything else that follows.


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with NULL


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- change do_wrap() to not center the screen all the time.


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This also resulted in rewriting some of the methodology behind the
display functions (yet again).


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check_wrap() for when a wrapped line needs to be wrapped when SAMELINEWRAP is set.


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Please try this and let me know if it doesn't work!


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that we have been seeing on lines with tabs.

It introduces the concept of "pages" which might not be the best choice
for them.... Basically, it's the part of a line that would be visible on
screen at once.  the first part (visible when you open a file) is page
1... the second (you have to scroll to the right approx COLS, is 2.  The
third is at approx (2 * COLS) - 7 and so on...)

It's not terribly efficient as of yet, there are probabally quite a few
redundant calls to xpt(), for instance.


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