````md
```gantt
dateFormat  YYYY-MM-DD
title       Adding GANTT diagram functionality to mermaid
excludes    weekends
%% (`excludes` accepts specific dates in YYYY-MM-DD format, days of the week ("sunday") or "weekends", but not the word "weekdays".)

section A section
Completed task            :done,    des1, 2014-01-06,2014-01-08
Active task               :active,  des2, 2014-01-09, 3d
Future task               :         des3, after des2, 5d
Future task2              :         des4, after des3, 5d

section Critical tasks
Completed task in the critical line :crit, done, 2014-01-06,24h
Implement parser                    :crit, done, after des1, 2d
Create tests for parser             :crit, active, 3d
Future task in critical line        :crit, 5d
Create tests for renderer           :2d
Add to mermaid                      :1d

section Documentation
Describe gantt syntax               :active, a1, after des1, 3d
Add gantt diagram to demo page      :after a1  , 20h
Add another diagram to demo page    :doc1, after a1  , 48h

section Last section
Describe gantt syntax               :after doc1, 3d
Add gantt diagram to demo page      :20h
Add another diagram to demo page    :48h
```
````
