Chen Hongguo, a former law professor at the Northwest University of Politics and Law in Xi'an, traced the chill back to early 2013 when an internal Communist party communique called Document Number 9 began to circulate.
However, it refrained from signing a communique that committed a number of Middle Eastern states to take "appropriate" news measures to counter IS, frustrating US officials.
Military officials said the army will issue a communique shortly that will meet protesters' demands.
The leaders were then scheduled to issue a joint communique detailing their military cooperation agreements.
It is highly likely that the group will issue a similar communique at the end of the current meeting.
The communique also noted that Mics were home to the largest number of people living in poverty in the world.
Then the leaders knock heads for a few days, before coming together to issue a bland and largely impenetrable communique.
If you turn to the annex of the communique, there is a statement from the finance ministers.
The draft communique for the summit, seen by the Observer, notes that in the past decade tiger numbers worldwide have fallen by 40% and warns that "Asia's most iconic animal faces imminent extinction in the wild".
