diff --git a/index.html b/index.html
index c6c246f..6531029 100644
--- a/index.html
+++ b/index.html
@@ -916,11 +916,11 @@ other console/curses tools
 <li><a href="https://www.youtube.com/watch?v=9zyp8RF-Fyw">David Mitchell: Personal Debts</a></li>
 </ul>
 <h3 id="articles-blog-posts">articles &amp; blog posts</h3>
-<p>2021</p>
+<h4 id="section">2021</h4>
 <ul>
 <li><a href="http://rantsideasstuff.com/posts/2021/01/31-budgeting-for-annual-expenses-with-hledger/">Zoran Zaric: Budgeting for annual expenses with Hledger</a> <!-- 2021/01/31 --></li>
 </ul>
-<p>2020</p>
+<h4 id="section-1">2020</h4>
 <ul>
 <li><a href="https://duarteocarmo.com/blog/hacking-on-my-finances.html">Hacking on my finances</a> <!-- 2020/10/19 --></li>
 <li><a href="https://www.reddit.com/r/plaintextaccounting/comments/ivrbdu/announcing_a_new_podcast_fossopensource_related/">Conversations in Code: Episode 3 / Introduction to Plain Text Accounting</a> <!-- 2020/9/19 --> [podcast]</li>
@@ -936,7 +936,7 @@ other console/curses tools
 <li><a href="https://yingtongli.me/blog/2020/03/31/ledger-gains.html">Lee Yingtong Li: Incorrect accounting of unrealised gains in ledger-cli</a> <!-- 2020/3/31 --></li>
 <li><a href="https://egli.dev/posts/quick-and-dirty-pdf-reports-for-plain-text-accounting/">Christian Egli: Quick and dirty PDF reports for Plain Text Accounting</a> <!-- 2020/2/13 --></li>
 </ul>
-<p>2019</p>
+<h4 id="section-2">2019</h4>
 <ul>
 <li><a href="https://yingtongli.me/blog/2019/12/11/ledger-fifo.html">Lee Yingtong Li: FIFO inventory with ledger-cli</a> <!-- 2019/12/11 --></li>
 <li><a href="https://www.kaipada.com/post/managing-ledger-for-humans/">Justin Kaipada: Managing Ledger for Humans</a> <!-- 2019/11/25 --></li>
@@ -948,7 +948,7 @@ other console/curses tools
 <li><a href="https://www.petekeen.net/automatic-finances">Pete Keen: Automatic Finances</a> <!-- 2019/2/18 --></li>
 <li><a href="https://blog.johncs.com/posts/accounting-reimbursements.htm">John Sullivan: Answering questions with accounting: Reimbursements</a> <!-- 2019/01/07 --> <!-- MIA, awaiting repair: --> <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 3</s>[](https://cvillefoss.blog/2019/03/25/accounting-in-plain-text-part-3/) 2019 <\!-- 3/25 -\-> --> <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 2</s>[](https://cvillefoss.blog/2019/02/26/accounting-in-plain-text-part-2/) 2019 <\!-- 2/26 -\-> --> <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 1.5</s>[](https://cvillefoss.blog/2019/02/19/accounting-in-plain-text-part-1-5) 2019 <\!-- 2/19 -\-> --> <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 1</s>[](https://cvillefoss.blog/2019/02/12/accounting-in-plain-text-part-1) 2019 <\!-- 2/12 -\-> --></li>
 </ul>
-<p>2018</p>
+<h4 id="section-3">2018</h4>
 <ul>
 <li><a href="https://felixcrux.com/blog/ledger-practices-tracking-accounts-jointly-and-separately">Felix Crux: Tracking Accounts Jointly and Separately</a> <!-- 2018-10-29) --></li>
 <li><a href="https://p.epij.nl/ledger-cli/accounting/2018/08/23/real-world-ledger-part-1/">Pepijn Looije: Real World Ledger part 1: Weighing Eggs in Baskets</a> <!-- 2018/8/23 --></li>
@@ -959,7 +959,7 @@ other console/curses tools
 <li><a href="https://memo.barrucadu.co.uk/personal-finance.html">Michael Walker: Personal Finance</a> <!-- 2018/1/7 --></li>
 <li><a href="https://sgoel.dev/posts/managing-personal-finances-using-python/">Siddhant Goel: Managing Personal Finances using Python</a> <!-- 2018/9/16 --></li>
 </ul>
-<p>2017</p>
+<h4 id="section-4">2017</h4>
 <ul>
 <li><a href="https://www.barrucadu.co.uk/posts/etc/2017-12-16-i-need-a-budget.html">Michael Walker: I Need A Budget</a> <!-- 2017/12/16 --></li>
 <li><a href="https://dustri.org/b/accounting-for-the-simple-minds-with-plain-text-accounting.html">Accounting for the simple minds with plain text accounting</a> <!-- 2017/12/1 --></li>
@@ -971,7 +971,7 @@ other console/curses tools
 <li><a href="https://www.barrucadu.co.uk/posts/etc/2017-05-18-visualise-your-finances-with-hledger-influxdb-grafana.html">Michael Walker: Visualise your finances with hledger, InfluxDB, and Grafana</a> <!-- 2017/5/18 --></li>
 <li><a href="https://bradyt.com/2017/04/28/Hledger-web/">Brady Trainor: Hledger web</a> <!-- 2017/4/28 --></li>
 </ul>
-<p>2016</p>
+<h4 id="section-5">2016</h4>
 <ul>
 <li><a href="https://felixcrux.com/blog/ledger-practices-accrual-vs-cash-basis-accounting">Felix Crux: Accrual vs. Cash Basis Accounting</a> <!-- 2016-11-30 --></li>
 <li><a href="https://frdmtoplay.com/envelope-budgeting-with-ledger">bsilvereagle: Envelope Budgeting with ledger</a> <!-- 2016/10/28 --></li>
@@ -983,30 +983,30 @@ other console/curses tools
 <li><a href="http://www.karanahuja.in/2016-05-17-Hledger-Improvements-Wishlist/">Karan Ahuja: Hledger Improvements Wishlist.</a> <!-- 2016/5/17 --></li>
 <li><a href="https://alexjj.com/blog/2016/managing-my-personal-finances-with-beancount/">Alex Johnstone: Managing my personal finances with beancount</a> <!-- 2016/2/27 --></li>
 </ul>
-<p>2015</p>
+<h4 id="section-6">2015</h4>
 <ul>
 <li><a href="https://www.petekeen.net/program-your-finances-algorithmic-savings">Pete Keen: Program Your Finances: Algorithmic Savings</a> <!-- 2015/6/16 --></li>
 <li><a href="https://www.petekeen.net/program-your-finances-envelope-budgeting">Pete Keen: Program Your Finances: Envelope Budgeting</a> <!-- 2015/4/7 --></li>
 <li><a href="http://stefanorodighiero.net/posts/2015-01-04-hledger-find-duplicate-accounts.html">Stefano Rodighiero: hledger-dupes</a> <!-- 2015/1/4 --></li>
 </ul>
-<p>2014</p>
+<h4 id="section-7">2014</h4>
 <ul>
 <li><a href="http://matthewturland.com/2014/03/29/ledger-basics-and-habits/">Matthew Turland: Ledger basics and habits</a> <!-- 2014/3/29 --></li>
 </ul>
-<p>2013</p>
+<h4 id="section-8">2013</h4>
 <ul>
 <li><a href="http://joyful.com/blog/2013-10-20-what-is-hledger.html">Simon Michael: What is hledger?</a> <!-- 2013/10/20 --></li>
 <li><a href="http://joyful.com/blog/2013-10-19-more-on-ledger.html">Simon Michael: More on ledger</a> <!-- 2013/10/19 --></li>
 <li><a href="http://joyful.com/blog/2013-10-18-introducing-hledger.html">Simon Michael: Introducing hledger!</a> <!-- 2013/10/18 --></li>
 </ul>
-<p>2012</p>
+<h4 id="section-9">2012</h4>
 <ul>
 <li><a href="http://joeyh.name/blog/entry/hledger">Joey Hess: hledger</a> <!-- 2012/12/3 --></li>
 <li><a href="http://goykhman.ca/gene/blog/2012/2012-09-23-an-alternative-to-quickbooks.html">Gene Goykhman: An Alternative to QuickBooks</a> <!-- 2012/9/23 --></li>
 <li><a href="http://lwn.net/Articles/501681/">LWN: The accounting quest: Ledger</a> <!-- 2012/6/13 --></li>
 <li><a href="https://www.petekeen.net/a-robust-reporting-system-for-ledger">Pete Keen: A Robust Reporting System for Ledger</a> <!-- 2012/1/1 --></li>
 </ul>
-<p>2011</p>
+<h4 id="section-10">2011</h4>
 <ul>
 <li><a href="https://www.petekeen.net/program-your-finances-automated-transactions">Pete Keen: Program your Finances: Automated Transactions</a> <!-- 2011/12/18 --></li>
 <li><a href="http://betabug.ch/blogs/ch-athens/1221">Sascha Welter: Doing my own accounting</a> <!-- 2011/12/5 --></li>
@@ -1014,16 +1014,16 @@ other console/curses tools
 <li><a href="https://www.petekeen.net/program-your-finances-vacation-tracking">Pete Keen: Program your Finances: Vacation Tracking</a> <!-- 2011/8/4 --></li>
 <li><a href="https://www.petekeen.net/program-your-finances-reporting-for-fun-and-profit">Pete Keen: Program your Finances: Reporting for Fun and Profit</a> <!-- 2011/7/9 --></li>
 </ul>
-<p>2010</p>
+<h4 id="section-11">2010</h4>
 <ul>
 <li><a href="https://www.petekeen.net/keeping-finances-with-ledger">Pete Keen: Program your Finances: Command-line Accounting</a> <!-- 2010/12/31 estimate --></li>
 <li><a href="http://blog.spang.cc/posts/hledger_rocks_my_world/">Christine Spang: [h]ledger rocks my world</a> <!-- 2010/7/5 --> <!-- MIA: --> <!-- - [Roman Cheplyaka: hledger](http://ro-che.blogspot.com/2010/02/hledger.html) 2010 --> <!-- - [Fabrice Niessen on Ledger, hledger, beancount, CSV2Ledger](http://www.mygooglest.com/fni/ledger.html) 2010 --></li>
 </ul>
-<p>2009</p>
+<h4 id="section-12">2009</h4>
 <ul>
 <li><a href="http://s.arboreus.com/2009/05/personal-accounting-in-command-line.html">советы: Ledger — бухучёт в командной строке</a> (<a href="http://translate.google.com/translate?hl=en&amp;sl=ru&amp;u=http://s.arboreus.com/2009/05/personal-accounting-in-command-line.html">english</a>) <!-- 2009/5/15 --></li>
 </ul>
-<p>2006</p>
+<h4 id="section-13">2006</h4>
 <ul>
 <li><a href="https://www.linux.com/news/ledger-bran-muffin-accounting-tools">Joe Barr: Ledger, the bran muffin of accounting tools</a> <!-- 2006/11/10 --></li>
 </ul>
diff --git a/index.md b/index.md
index 6d9e471..38be4f2 100644
--- a/index.md
+++ b/index.md
@@ -885,11 +885,11 @@ Note these often work quite well for other ledger-likes, not just the one they a
 
 ### articles & blog posts
 
-2021
+#### 2021
 
 - [Zoran Zaric: Budgeting for annual expenses with Hledger](http://rantsideasstuff.com/posts/2021/01/31-budgeting-for-annual-expenses-with-hledger/) <!-- 2021/01/31 -->
 
-2020
+#### 2020
 
 - [Hacking on my finances](https://duarteocarmo.com/blog/hacking-on-my-finances.html) <!-- 2020/10/19 -->
 - [Conversations in Code: Episode 3 / Introduction to Plain Text Accounting](https://www.reddit.com/r/plaintextaccounting/comments/ivrbdu/announcing_a_new_podcast_fossopensource_related/) <!-- 2020/9/19 --> [podcast]
@@ -905,7 +905,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 - [Lee Yingtong Li: Incorrect accounting of unrealised gains in ledger-cli](https://yingtongli.me/blog/2020/03/31/ledger-gains.html) <!-- 2020/3/31 -->
 - [Christian Egli: Quick and dirty PDF reports for Plain Text Accounting](https://egli.dev/posts/quick-and-dirty-pdf-reports-for-plain-text-accounting/) <!-- 2020/2/13 -->
 
-2019
+#### 2019
 
 - [Lee Yingtong Li: FIFO inventory with ledger-cli](https://yingtongli.me/blog/2019/12/11/ledger-fifo.html) <!-- 2019/12/11 -->
 - [Justin Kaipada: Managing Ledger for Humans](https://www.kaipada.com/post/managing-ledger-for-humans/) <!-- 2019/11/25 -->
@@ -922,7 +922,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 1.5</s>[](https://cvillefoss.blog/2019/02/19/accounting-in-plain-text-part-1-5) 2019 <\!-- 2/19 -\-> -->
 <!-- - <s>S.M. Oliva: Accounting in Plain Text, Part 1</s>[](https://cvillefoss.blog/2019/02/12/accounting-in-plain-text-part-1) 2019 <\!-- 2/12 -\-> -->
 
-2018
+#### 2018
 
 - [Felix Crux: Tracking Accounts Jointly and Separately](https://felixcrux.com/blog/ledger-practices-tracking-accounts-jointly-and-separately) <!-- 2018-10-29) -->
 - [Pepijn Looije: Real World Ledger part 1: Weighing Eggs in Baskets](https://p.epij.nl/ledger-cli/accounting/2018/08/23/real-world-ledger-part-1/) <!-- 2018/8/23 -->
@@ -933,7 +933,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 - [Michael Walker: Personal Finance](https://memo.barrucadu.co.uk/personal-finance.html) <!-- 2018/1/7 -->
 - [Siddhant Goel: Managing Personal Finances using Python](https://sgoel.dev/posts/managing-personal-finances-using-python/) <!-- 2018/9/16 -->
 
-2017
+#### 2017
 
 - [Michael Walker: I Need A Budget](https://www.barrucadu.co.uk/posts/etc/2017-12-16-i-need-a-budget.html) <!-- 2017/12/16 -->
 - [Accounting for the simple minds with plain text accounting](https://dustri.org/b/accounting-for-the-simple-minds-with-plain-text-accounting.html) <!-- 2017/12/1 -->
@@ -945,7 +945,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 - [Michael Walker: Visualise your finances with hledger, InfluxDB, and Grafana](https://www.barrucadu.co.uk/posts/etc/2017-05-18-visualise-your-finances-with-hledger-influxdb-grafana.html) <!-- 2017/5/18 -->
 - [Brady Trainor: Hledger web](https://bradyt.com/2017/04/28/Hledger-web/) <!-- 2017/4/28 -->
 
-2016
+#### 2016
 
 - [Felix Crux: Accrual vs. Cash Basis Accounting](https://felixcrux.com/blog/ledger-practices-accrual-vs-cash-basis-accounting) <!-- 2016-11-30 -->
 - [bsilvereagle: Envelope Budgeting with ledger](https://frdmtoplay.com/envelope-budgeting-with-ledger) <!-- 2016/10/28 -->
@@ -958,30 +958,30 @@ Note these often work quite well for other ledger-likes, not just the one they a
 - [Karan Ahuja: Hledger Improvements Wishlist.](http://www.karanahuja.in/2016-05-17-Hledger-Improvements-Wishlist/) <!-- 2016/5/17 -->
 - [Alex Johnstone: Managing my personal finances with beancount](https://alexjj.com/blog/2016/managing-my-personal-finances-with-beancount/) <!-- 2016/2/27 -->
 
-2015
+#### 2015
 
 - [Pete Keen: Program Your Finances: Algorithmic Savings](https://www.petekeen.net/program-your-finances-algorithmic-savings) <!-- 2015/6/16 -->
 - [Pete Keen: Program Your Finances: Envelope Budgeting](https://www.petekeen.net/program-your-finances-envelope-budgeting) <!-- 2015/4/7 -->
 - [Stefano Rodighiero: hledger-dupes](http://stefanorodighiero.net/posts/2015-01-04-hledger-find-duplicate-accounts.html) <!-- 2015/1/4 -->
 
-2014
+#### 2014
 
 - [Matthew Turland: Ledger basics and habits](http://matthewturland.com/2014/03/29/ledger-basics-and-habits/) <!-- 2014/3/29 -->
 
-2013
+#### 2013
 
 - [Simon Michael: What is hledger?](http://joyful.com/blog/2013-10-20-what-is-hledger.html) <!-- 2013/10/20 -->
 - [Simon Michael: More on ledger](http://joyful.com/blog/2013-10-19-more-on-ledger.html) <!-- 2013/10/19 -->
 - [Simon Michael: Introducing hledger!](http://joyful.com/blog/2013-10-18-introducing-hledger.html) <!-- 2013/10/18 -->
 
-2012
+#### 2012
 
 - [Joey Hess: hledger](http://joeyh.name/blog/entry/hledger) <!-- 2012/12/3 -->
 - [Gene Goykhman: An Alternative to QuickBooks](http://goykhman.ca/gene/blog/2012/2012-09-23-an-alternative-to-quickbooks.html) <!-- 2012/9/23 -->
 - [LWN: The accounting quest: Ledger](http://lwn.net/Articles/501681/) <!-- 2012/6/13 -->
 - [Pete Keen: A Robust Reporting System for Ledger](https://www.petekeen.net/a-robust-reporting-system-for-ledger) <!-- 2012/1/1 -->
 
-2011
+#### 2011
 
 - [Pete Keen: Program your Finances: Automated Transactions](https://www.petekeen.net/program-your-finances-automated-transactions) <!-- 2011/12/18 -->
 - [Sascha Welter: Doing my own accounting](http://betabug.ch/blogs/ch-athens/1221) <!-- 2011/12/5 -->
@@ -989,7 +989,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 - [Pete Keen: Program your Finances: Vacation Tracking](https://www.petekeen.net/program-your-finances-vacation-tracking) <!-- 2011/8/4 -->
 - [Pete Keen: Program your Finances: Reporting for Fun and Profit](https://www.petekeen.net/program-your-finances-reporting-for-fun-and-profit) <!-- 2011/7/9 -->
 
-2010
+#### 2010
 
 - [Pete Keen: Program your Finances: Command-line Accounting](https://www.petekeen.net/keeping-finances-with-ledger) <!-- 2010/12/31 estimate -->
 - [Christine Spang: [h]ledger rocks my world](http://blog.spang.cc/posts/hledger_rocks_my_world/) <!-- 2010/7/5 -->
@@ -997,11 +997,11 @@ Note these often work quite well for other ledger-likes, not just the one they a
 <!-- - [Roman Cheplyaka: hledger](http://ro-che.blogspot.com/2010/02/hledger.html) 2010 -->
 <!-- - [Fabrice Niessen on Ledger, hledger, beancount, CSV2Ledger](http://www.mygooglest.com/fni/ledger.html) 2010 -->
 
-2009
+#### 2009
 
 - [советы: Ledger — бухучёт в командной строке](http://s.arboreus.com/2009/05/personal-accounting-in-command-line.html) ([english](http://translate.google.com/translate?hl=en&sl=ru&u=http://s.arboreus.com/2009/05/personal-accounting-in-command-line.html)) <!-- 2009/5/15 -->
 
-2006
+#### 2006
 
 - [Joe Barr: Ledger, the bran muffin of accounting tools](https://www.linux.com/news/ledger-bran-muffin-accounting-tools) <!-- 2006/11/10 -->