Removed trailing whitespace
Removed trailing whitespace

Damn the github online editor!
hason/commonmark,stof/commonmark,thephpleague/commonmark,fesor/commonmark,bcremer/commonmark,kkiernan/commonmark,kkiernan/commonmark,colinodell/commonmark,thephpleague/commonmark,postalservice14/commonmark,garethellis36/commonmark,hason/commonmark,garethellis36/commonmark,fesor/commonmark,postalservice14/commonmark