layout	title	permalink
page	All presenetationss	/allpresentations

All presentations

{% assign prevyear = "X" %}

{% for post in site.categories.presentation %}

{% assign postyear = post.date | date: "%Y" %} {% if postyear != prevyear %} {{ postyear }} {% assign prevyear = postyear %} {% else %} {% endif %}

: [{{ post.title }}]({{ post.url }})
{{ post.excerpt | remove: '

' | remove: '

' }}

{% endfor %}