This one is apparently often abused to link to a constant group, while
it can only link to constants within a group.
sed -i "s,<const>\([^<]\+\)</const>,\1,g"
Change-Id: Ic3d8099751340e4b046298c861bb659beb351eaf
Fixes many spelling errors (checked with en_US spell checker).
Unifies spelling of some common words.
Replaces single quotes ('') with double quotes ("").
Fixes several other errors.