diff --git a/src/index.md b/src/index.md
index 183907a..ded6e32 100644
--- a/src/index.md
+++ b/src/index.md
@@ -435,7 +435,7 @@ Third-party things are parenthesised. Notable likely-to-be-made-to-work compleme
 
 |                          | Ledger                                                           | hledger                                                                                                                                                                              | Beancount
 |--------------------------|------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------
-| **User interfaces**      |                                                                  |                                                                                                                                                                                      | 
+| **User interfaces** <a name="user-interfaces"></a><a name="uis"></a>
 | CLIs:                    | ledger                                                           | hledger                                                                                                                                                                              | beanquery
 | TUIs:                    | (regdel)                                                         | hledger add, <br>hledger-ui, <br>(hledger-iadd), <br>(puffin)                                                                                                                        | (bean-add)
 | GUIs:                    | (Prudent), <br>(ledgerble), <br>(ledgerhelpers:&nbsp;addtrans)   | (fruit-credits)                                                                                                                                                                      | 
@@ -443,7 +443,7 @@ Third-party things are parenthesised. Notable likely-to-be-made-to-work compleme
 | MUIs (Android):          | (cashier), <br>(NanoLedger)                                      | (cashier), <br>(MoLe), <br>(NanoLedger)                                                                                                                                              | (Beancount&nbsp;Mobile,&nbsp;stargately), <br>(beancount-mobile,&nbsp;xuhcc)
 | MUIs (IOS):              |                                                                  |                                                                                                                                                                                      | (Beancount&nbsp;Mobile,&nbsp;stargately)
 | &nbsp;                   |                                                                  |                                                                                                                                                                                      | 
-| **Help**                 |                                                                  |                                                                                                                                                                                      | 
+| **Help** <a name="help"></a>
 | CLI help:                | general --help                                                   | general and command-specific --help, auto-paginated                                                                                                                                  | command-specific --help
 | TLDR short help:         | ledger                                                           | hledger and all commands, also built-in as --tldr                                                                                                                                    | 
 | User manual formats:     | web                                                              | web, info, man, also built-in info/man/text with jump to topic                                                                                                                       | web
@@ -452,20 +452,20 @@ Third-party things are parenthesised. Notable likely-to-be-made-to-work compleme
 | Active support channels: |                                                                  | chat, mail list, forum, reddit                                                                                                                                                       | mail list
 | Easy first setup:        | yes                                                              | yes                                                                                                                                                                                  | no
 | &nbsp;                   |                                                                  |                                                                                                                                                                                      | 
-| **Data formats**         |                                                                  |                                                                                                                                                                                      | 
+| **Data formats** <a name="data-formats"></a>
 | Input formats:           | journal (ledger), timeclock, csv                                 | journal (hledger), timeclock, timedot, csv, tsv, ssv, *sv                                                                                                                            | journal (beancount)
 | Output formats:          | text, csv, xml                                                   | text, html, fods, csv, tsv, ssv, sql                                                                                                                                                 | text, ?
 | &nbsp;                   |                                                                  |                                                                                                                                                                                      | 
-| **Commands**             |                                                                  |                                                                                                                                                                                      | 
+| **Commands** <a name="commands"></a>
 | Commands:                | accounts, balance, cleared, commodities, convert, entry, emacs, equity, payees, pricemap, prices, print, register, select, source, stats, tags | accounts, activity, add, aregister, balance, balancesheet, balancesheetequity, cashflow, check, close, codes, commodities, demo, descriptions, diff, files, help, import, incomestatement, payees, prices, print, notes, register, rewrite, roi, stats, tags, test | beancount: check, doctor, example, format
 | Add-on commands:         |                                                                  | bar, check-fancyassertions, edit, git, iadd, interest, lots, pijul, plot..                                                                                                           | beanquery: balances, journal, print, select
 | &nbsp;                   |                                                                  |                                                                                                                                                                                      | 
-| **Configuration**        |                                                                  |                                                                                                                                                                                      | 
+| **Configuration** <a name="configuration"></a>
 | Config file:             | general options                                                  | general and command-specific options                                                                                                                                                 | ?
 | Extensibility:           | built-in expression language, embedded python snippets           | add-on commands, haskell library                                                                                                                                                     | data-modifying plugins, python library
 | APIs:                    | C++, python, (HTTP-JSON)                                         | haskell, HTTP-JSON                                                                                                                                                                   | python
 | &nbsp;                   |                                                                  |                                                                                                                                                                                      | 
-| **Other features**       |                                                                  |                                                                                                                                                                                      | 
+| **Other features** <a name="other-features"></a>
 | Budget report:           | built-in (budget command)                                        | built-in (balance --budget)                                                                                                                                                          | 
 | Data importing:          | built-in (convert command)                                       | built-in (*sv reader, import command)                                                                                                                                                | beangulp framework, (beancount_reds_importers framework), (beancount-import library)
 | Data deduplication:      | checksum-based (requires unique CSV records)                     | date-based (requires date-ordered CSV records)                                                                                                                                       | ?