fix: the first LF following pre and textarea tag should be ignored, fix #5992#6022

Merged

yyx990803 merged 5 commits intovuejs:devfrom

Jul 10, 2017

Commits on Jul 3, 2017

Commits on Jul 4, 2017

refactor: remove useless toLowerCase check
defcc
committed

Commits on Jul 10, 2017