Quoted-printable encodes a block of text.
Performs an 'encode step', saves left-over state in state and save (initialise to -1 on first invocation).
| save |
leftover bits that have not yet been encoded |
| in |
input stream |
| len |
length of the input |
| out |
output string |
| state |
holds the number of bits that are stored in |
|
the number of bytes encoded |