5681 |
what is ``not true'' is false and what is ``not false'' is true. |
what is ``not true'' is false and what is ``not false'' is true. |
5682 |
|
|
5683 |
Using this test, the @code{if} expression works as follows: when the |
Using this test, the @code{if} expression works as follows: when the |
5684 |
value of the variable @code{buffer} is actually a buffer rather then |
value of the variable @code{buffer} is actually a buffer rather than |
5685 |
its name, the true-or-false-test returns false and the @code{if} |
its name, the true-or-false-test returns false and the @code{if} |
5686 |
expression does not evaluate the then-part. This is fine, since we do |
expression does not evaluate the then-part. This is fine, since we do |
5687 |
not need to do anything to the variable @code{buffer} if it really is |
not need to do anything to the variable @code{buffer} if it really is |
8337 |
argument. In this case, this is the expression @code{(< end beg)}. |
argument. In this case, this is the expression @code{(< end beg)}. |
8338 |
This expression does not directly determine whether the killed text in |
This expression does not directly determine whether the killed text in |
8339 |
this command is located before or after the kill text of the last |
this command is located before or after the kill text of the last |
8340 |
command; what is does is determine whether the value of the variable |
command; what it does is determine whether the value of the variable |
8341 |
@code{end} is less than the value of the variable @code{beg}. If it |
@code{end} is less than the value of the variable @code{beg}. If it |
8342 |
is, it means that the user is most likely heading towards the |
is, it means that the user is most likely heading towards the |
8343 |
beginning of the buffer. Also, the result of evaluating the predicate |
beginning of the buffer. Also, the result of evaluating the predicate |