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Marking Articles
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   There are several marks you can set on an article.

   You have marks that decide the "readedness" (whoo, neato-keano
neologism ohoy!) of the article.  Alphabetic marks generally mean
"read", while non-alphabetic characters generally mean "unread".

   In addition, you also have marks that do not affect readedness.

Menu

Unread Articles
Marks for unread articles.
Read Articles
Marks for read articles.
Other Marks
Marks that do not affect readedness. There's a plethora of commands for manipulating these marks:

Menu

Setting Marks
How to set and remove marks.
Setting Process Marks
How to mark articles for later processing.