Original sentence: How this is implemented depends on the word processor; some can use true small caps associated with a font, making text such as "Latvia joined NATO on March 29, 2004" look pleasing to the eye, whilst others cannot and simply reduce the uppercase letters by a fraction, making them look out of proportion
Edited sentence: How this is implemented depends on the word processor; some can use true small caps associated with a font, making text such as "Latvia joined NATO on March 29, 2004" look pleasing to the eye, whilst others cannot and simply reduce the uppercase letters by a fraction, making them look faint and feeble