Before introducing caching, there was no need for this, as it would happen automatically. However, the cache does not catch that "1-1" and "1-1 " is essentially the same. Hence, we should remove trailing spaces before processing so the cache is active in this case too.
Before introducing caching, there was no need for this, as it would happen automatically. However, the cache does not catch that "1-1" and "1-1 " is essentially the same. Hence, we should remove trailing spaces before processing so the cache is active in this case too.