Registers #10
Description
Add registers to save positions.
How it works?
C-x r s <letter> to save point in register <letter>.
C-x r j <letter> to restore point from register <letter>.
Consider the following text:
abcdefg
Suppose the point is before a (beginning of buffer). Then, text inserted will push a to the end of the buffer. If we save the position before a into a register, how should it change when we insert text? There are two options: the position remains at the beginning of buffer or position remains at a. These are called gravitating towards beginning and end of buffer.
Registers A-Z should gravitate towards beginning of the buffer. These are useful when you want to occasionally prepend text to some block of text in the buffer.
Registers a-z should gravitate towards end of the buffer. These are useful when you want to occasionally append text to some block of text in the buffer.