Render the header as a tree when there are ancestors.

This removes the need to manually refer to the "parent node".

Author: paveloom

content/notes/A_Comprehensive_Grammar_of_the_English_Language/Consumed.md

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-title = "A Comprehensive Grammar of the English Language > Consumed"
+title = "Consumed"
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 This is an entry in the [Consumed](@/notes/Consumption/Consumed.md) list.
 
-See also the [parent note](@/notes/A_Comprehensive_Grammar_of_the_English_Language/_index.md).
-
 ## Entry
 
 - Type: Book

content/notes/Consumption/Consumed.md

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-title = "Consumption > Consumed"
+title = "Consumed"
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 Ordered by the started date in the descending order.
 
-See also the [parent note](@/notes/Consumption/_index.md).
-
 Entries:
 
 - [Digital Zettelkasten: Principles, Methods, & Examples](@/notes/Digital_Zettelkasten_Principles_Methods_and_Examples/Consumed.md)

content/notes/Consumption/Favorites.md

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-title = "Consumption > Favorites"
+title = "Favorites"
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 My main factor for including something into the list of favorites is the level of willingness for repeated consumption. This can be called re-playability, re-watchability, re-readability, etc., as appropriate.
 
 See also [Great titles](@/notes/Consumption/Great_titles.md) for a more general list of great media consumed.
 
-See also the [parent note](@/notes/Consumption/_index.md).
-
 ## Games
 
 - Counter-Strike: Source

content/notes/Consumption/Great_titles.md

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-title = "Consumption > Great titles"
+title = "Great titles"
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 This is a collection of media that I have consumed and that I regard highly.
 
 See also [Favorites](@/notes/Consumption/Favorites.md) for a separate list of great titles selected based on assessment of repeated consumption.
 
-See also the [parent note](@/notes/Consumption/_index.md).
-
 ## Games
 
 - [The Legend of Zelda: Ocarina of Time](@/notes/The_Legend_of_Zelda_Ocarina_of_Time/_index.md)

content/notes/Digital_Zettelkasten_Principles_Methods_and_Examples/Consumed.md

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-title = "Digital Zettelkasten: Principles, Methods, & Examples > Consumed"
+title = "Consumed"
 +++
 
 This is an entry in the [Consumed](@/notes/Consumption/Consumed.md) list.
 
-See also the [parent note](@/notes/Digital_Zettelkasten_Principles_Methods_and_Examples/_index.md).
-
 ## Entry
 
 - Type: Book

content/notes/Ebuild/Categories_acct-group_and_acct-user.md

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-title = "Ebuild > Categories acct-group and acct-user"
+title = "Categories acct-group and acct-user"
 +++
 
-See also the [parent note](@/notes/Ebuild/_index.md).
-
 The packages in the categories `acct-user` and `acct-group` are used to create new users and user groups, respectively, allowing other packages to require the existence of such users and groups.
 
 Example of a new user ebuild:

content/notes/Ebuild/Snapshots.md

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-title = "Ebuild > Snapshots"
+title = "Snapshots"
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-See also the [parent note](@/notes/Ebuild/_index.md).
-
 There are two ways to name an ebuild which packages a snapshot version of a source repository:
 
 1. `${last_released_version}_pYYYYMMDD`: treat the snapshot as a patch to the last released version.

content/notes/Ebuild/Sub-slots.md

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-title = "Ebuild > Sub-slots"
+title = "Sub-slots"
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-See also the [parent note](@/notes/Ebuild/_index.md).
-
 Ebuild sub-slots can be used to specify versions of the package that cannot be installed simultaneously (compared to regular slots that allow that). For example, the [`media-libs/libsfml`](https://packages.gentoo.org/packages/media-libs/libsfml) package has subslots `0/2.6` and `0/3.0`.
 
 ## References

content/notes/Eden/Games.md

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-title = "Eden > Games"
+title = "Games"
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-See also the [parent note](@/notes/Eden/_index.md).
-
 The following are the games that I have run using the Eden emulator:
 
 - [The Legend of Zelda: Breath of the Wild](@/notes/The_Legend_of_Zelda_Breath_of_the_Wild/_index.md)

content/notes/Eden/Quickstart.md

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-title = "Eden > Quickstart"
+title = "Quickstart"
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-See also the [parent note](@/notes/Eden/_index.md).
-
 To start emulating Nintendo Switch games via Eden, you will need
 
 - Encryption keys