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# Två
# Gem (formerly Två)
A Gemini protocol browser for Android based OS (Två = Swedish: two)
A Gemini protocol browser for Android based OS
## Releases
See the project page on Öppenlab.net for latest download: [oppenlab.net/pr/tva](https://oppenlab.net/pr/tva/)
See the project page on Öppenlab.net for latest download: [oppenlab.net/pr/gem](https://oppenlab.net/pr/gem/)
# Future Development
## Bookmarks
Två needs bookmarks, requirements:
Gem needs bookmarks, requirements:
* All fields fully editable
* Title should be inferred from the bookmarked page (from first header line: `#`, `##`, or `###`) but user can override when saving
* All fields fully editable
* Title should be inferred from the bookmarked page (from first header line: `#`, `##`, or `###`) but user can override when saving
* User should be able to specify and organise folders (1 levels only, keep it simple)
* Allow reordering via simple 'move up' and 'move down' overflow options.
* Allow reordering via simple 'move up' and 'move down' overflow options.
* 'Move to' option to move to top-level or a folder
## Certificates
//todo
## Aggregation
See below for initial thoughts on aggregation. A simpler approach is to allow the user to follow any page, store a cache of the page, poll periodically, and display any change delta. This approach will work for both common Gemlog formats (links to separate pages, or journal single page logs):
State when user chooses to follow a page:
```
=> bar/ link to a gemlog page
=> foo/ my first post
```
3rd party updates their blog:
```
=> baz/ new post!
=> bar/ link to a gemlog page
=> foo/ my first post
```
Delta displayed in app feed:
```
=> baz/ new post!
```
## Aggregation (Original Notes)
There's a lot of good 'Gemlog' content in Geminispace but no easy way to follow other users. Rather than use Atom/RSS which requires users to manually edit xml files, or use some other software it'd be good if a defacto standard emerged. Två will attempt to infer a Gemlog index from the contents of a page and display a 'follow' option to add the Gemlog to an aggregated in-app feed:
### Inferred
* Presence of various words in the first few lines of content AND:
* A series of links that include a date (where a gemlog links to other pages) OR:
* A series of dates in the page (more difficult to get right, but some microblogs are just a series of entries separated by dates)
### Specification A
To guarantee an option to follow content: first header (any of the 3 sizes) in a page includes the words: `gemlog`, `feed`, `log`, `blog`, `μlog` AND links on adjacent lines that include dates in the link title.
Date formats:
* `yyyy-mm-dd` ISO 8601
* `dd-mm-yyyy` Reverse ISO 8601
* Either of above with other common delimiters, eg. _01/05/2020_
Example:
```
# My Gemlog
=> /more dd/mm/yyyy optional
=> /another dd/mm/yyyy
=> /first dd/mm/yyyy hello, World!
```
### Questions/Notes
* American 'freedom' date format `mm/dd/yyyy` should be rejected if possible (what were they thinking?)
* Two digit years should be ignored: `dd/mm/yy` - no way to safely infer date
* Other date formats? I've seen `dd-MMM-yy`, `ddMMMyy`, `yyyy-mm-dd`
* Some gemlogs have no dates at all
//todo