in src/filter-j2.py [0:0]
def endTab(tabName):
"""
Notifies that we are leaving the context of a tab having the given name.
There is no requirement for tab naming except that names must be
consistent.
:param tabName:
The name of the tab.
:return string:
Always an empty string.
"""
global tabStack
assert tabName == tabStack.pop()
return ''