Category:Extensions by implementation type/mr
Note: Please do not add pages directly to this category if you can place them in one or more of the subcategories. The pages remaining in this category either have no clear parent category or are waiting for someone to sort them into the correct subcategory.
This category has the following 7 subcategories, out of 7 total.
The number of included categories (C), pages (P) and files (F) is stated in brackets.