* add new content to ug of chronos * add link revise * fix broken links * add changes according to comments * add updates * fix typos * change typos  | 
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| .. | ||
| readthedocs | ||
				* add new content to ug of chronos * add link revise * fix broken links * add changes according to comments * add updates * fix typos * change typos  | 
			||
|---|---|---|
| .. | ||
| readthedocs | ||