Includes: use {% auto_anchor %} filter when needed

Used the following command and edited as necessary:

  vi $( grep -rl -- '- ' _includes/ )

Author: harding

_includes/specials/bech32/05-fee-savings.md

@@ -1,3 +1,4 @@
+{% auto_anchor %}
 One reason your users and customers may want you to implement bech32
 sending support is because it'll allow the receivers of those payments
 to save on fees when they re-spend that money.  This week, we'll look at
@@ -60,3 +61,4 @@ relay fee).  This means more people spending native segwit inputs lowers
 the fee not just for those spenders but for everyone who creates
 transactions---including wallets and services that support sending to
 bech32 addresses.
+{% endauto_anchor %}

_includes/specials/bech32/06-stackexchange.md

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+{% auto_anchor %}
 This week we look at some of the [top-voted bech32 questions and
 answers][top bech32 qa] from the Bitcoin StackExchange.  This includes
 everything since bech32 was first announced about two years ago.
@@ -39,3 +40,4 @@ everything since bech32 was first announced about two years ago.
 [bech32 easy]: {{news38}}#bech32-sending-support
 [top bech32 qa]: https://bitcoin.stackexchange.com/search?tab=votes&q=bech32
 [bech32 adoption]: https://en.bitcoin.it/wiki/Bech32_adoption
+{% endauto_anchor %}

_includes/specials/bech32/07-altbech32.md

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+{% auto_anchor %}
 It's said that "imitation is the most sincere form of flattery."  In
 this week's section, we take a quick look at a few other systems that
 are using variations on bech32.  If you're already going to need to
@@ -48,3 +49,4 @@ probably worth your time to implement it for Bitcoin too.
 [blockstream liquid]: https://blockstream.com/liquid/
 [confidential assets]: https://elementsproject.org/features/confidential-transactions
 [blech32 py]: https://github.com/ElementsProject/elements/commit/9cb2fa051fcbe0fe66f15e6b88d224d1935376f4#diff-265badc7e18059096c32a61b0eada470
+{% endauto_anchor %}

_includes/specials/bech32/11-only-bech32.md

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+{% auto_anchor %}
 [Last week][Newsletter #47], we described one of the costs of not
 upgrading to bech32 sending support---users might think your service is
 out-of-date and so look for alternative services.  This week, we'll look
@@ -61,3 +62,4 @@ their preferred wallet.
 [trust wallet]: https://trustwallet.com/
 [electrum]: https://electrum.org/
 [news45 bech32]: {{news45}}#bech32-sending-support
+{% endauto_anchor %}

_includes/specials/bech32/12-midway.md

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+{% auto_anchor %}
 This segment marks half-way through our series about bech32, so we decided to
 have some fun this week by describing some bech32-related trivia that's
 interesting but not important enough for its own segment.
@@ -29,3 +30,4 @@ interesting but not important enough for its own segment.
 [cpu time]: https://youtu.be/NqiN9VFE4CU?t=1329
 [wikipedia bch]: https://en.wikipedia.org/wiki/BCH_code
 [first plans]:https://blog.bitmain.com/en/uahf-contingency-plan-uasf-bip148/
+{% endauto_anchor %}

_includes/specials/bech32/21-brd.md

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+{% auto_anchor %}
 *The following case study contributed by Optech member company [BRD][]
 describes what they learned implementing bech32 and other segwit
 technology for their wallet.*
@@ -81,3 +82,4 @@ fees are still relatively low.
 [identical spk data]: /en/bech32-sending-support/#sending-to-a-legacy-address
 [bech32 future]: /en/bech32-sending-support/#automatic-bech32-support-for-future-soft-forks
 [whensegwit]: https://whensegwit.com/
+{% endauto_anchor %}

_includes/specials/bech32/23-compat.md

@@ -1,4 +1,4 @@
-As of this writing, here are what we think are some of the most
+{% auto_anchor %}As of this writing, here are what we think are some of the most
 significant bech32-related insights we've gleaned from creating and
 reviewing the [Compatibility Matrix][].
 
@@ -40,3 +40,4 @@ reviewing the [Compatibility Matrix][].
   of change output to the type of payment output) but, in most cases,
   this seems like a missed opportunity for wallets to send change to
   their own bech32 addresses for increased fee savings.
+{% endauto_anchor %}

_includes/specials/taproot/en/01-single-sig.md

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+{% auto_anchor %}
 Using Optech's [transaction size calculator][], we can compare the sizes
 of different types of single-sig transactions.  As expected,
 transactions using P2WPKH inputs and outputs are much smaller than those
@@ -73,3 +74,4 @@ for single-sigs, both for wallet users and for the network as a whole.
 [news3 sig size]: /en/newsletters/2018/07/10/#unrelayable-transactions
 [news101 fee overpayment attack]: /en/newsletters/2020/06/10/#fee-overpayment-attack-on-multi-input-segwit-transactions
 [batch graph]: https://github.com/jonasnick/secp256k1/blob/schnorrsig-batch-verify/doc/speedup-batch.md
+{% endauto_anchor %}

_includes/specials/taproot/en/02-descriptors.md

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+{% auto_anchor %}
 [Output script descriptors][topic descriptors] provide a generic way for
 wallets to store the information needed to create addresses, efficiently
 scan for outputs paying those addresses, and later spend from those
@@ -97,3 +98,4 @@ using more advanced taproot features later.
 
 {% include linkers/issues.md issues="22051" %}
 [bip341 safety]: https://github.com/bitcoin/bips/blob/master/bip-0341.mediawiki#cite_note-22
+{% endauto_anchor %}

_includes/specials/taproot/en/03-p2wpkh-to-p2tr.md

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+{% auto_anchor %}
 For wallets that already support receiving and spending v0 segwit P2WPKH
 outputs, upgrading to v1 segwit P2TR for single-sig should be easy.
 Here are the main steps:
@@ -117,3 +118,4 @@ pages of the Bitcoin Wiki so other developers can learn from your code.
 [bip341 sigmsg]: https://github.com/bitcoin/bips/blob/master/bip-0341.mediawiki#common-signature-message
 [wiki bech32 adoption]: https://en.bitcoin.it/wiki/Bech32_adoption
 [wiki taproot uses]: https://en.bitcoin.it/wiki/Taproot_Uses
+{% endauto_anchor %}