Use the definitions from (newer) upstream PEGTL.

diff --git a/include/gemmi/cif.hpp b/include/gemmi/cif.hpp
index c7ffdb44..35d24210 100644
--- a/include/gemmi/cif.hpp
+++ b/include/gemmi/cif.hpp
@@ -37,7 +37,6 @@ namespace pegtl = tao::pegtl;
 namespace rules {
 
   template<int TableVal> struct lookup_char {
-    using analyze_t = pegtl::analysis::generic<pegtl::analysis::rule_type::ANY>;
     template<typename Input> static bool match(Input& in) {
       if (!in.empty() && cif::char_table(in.peek_char()) == TableVal) {
         if (TableVal == 2)  // this set includes new-line
@@ -71,11 +70,11 @@ namespace rules {
   struct ws_or_eof : pegtl::sor<whitespace, pegtl::eof> {};
 
   // (b) Reserved words.
-  struct str_data : TAOCPP_PEGTL_ISTRING("data_") {};
-  struct str_loop : TAOCPP_PEGTL_ISTRING("loop_") {};
-  struct str_global : TAOCPP_PEGTL_ISTRING("global_") {};
-  struct str_save : TAOCPP_PEGTL_ISTRING("save_") {};
-  struct str_stop : TAOCPP_PEGTL_ISTRING("stop_") {};
+  struct str_data : TAO_PEGTL_ISTRING("data_") {};
+  struct str_loop : TAO_PEGTL_ISTRING("loop_") {};
+  struct str_global : TAO_PEGTL_ISTRING("global_") {};
+  struct str_save : TAO_PEGTL_ISTRING("save_") {};
+  struct str_stop : TAO_PEGTL_ISTRING("stop_") {};
   struct keyword : pegtl::sor<str_data, str_loop, str_global,
                               str_save, str_stop> {};
 
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<tr><td><span title='2024-03-22 11:40:33 +0100'>2024-03-22</span></td><td><a href='/guix/commit/gnu/home.scm?id=29de2edfbbed21ac016f73a45d399795fc2e4dfb'>system, home: Validate ‘services’ field value.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-03-20 09:14:23 +0400'>2023-03-20</span></td><td><a href='/guix/commit/gnu/home.scm?id=1f36534c7e8f2325bff4df5d37ecc811dc63fc38'>home: 'home-environment-with-provenance' uses the HE location info.</a><span class='msg-avail'>...</span></td><td>Sergey Trofimov</td></tr>
<tr><td><span title='2023-03-13 16:41:34 +0400'>2023-03-13</span></td><td><a href='/guix/commit/gnu/home.scm?id=377c8143e7cd5e3bf3e1e8d53ba443f91c88239c'>home: Export home-environment-packages.</a><span class='msg-avail'>...</span></td><td>Sergey Trofimov</td></tr>
<tr><td><span title='2022-08-19 18:55:41 +0300'>2022-08-19</span></td><td><a href='/guix/commit/gnu/home.scm?id=e60ba7eb6dd3d5847f7111f1a2ea33492b12cbc8'>home: Fix docstring.</a><span class='msg-avail'>...</span></td><td>Andrew Tropin</td></tr>
<tr><td><span title='2022-08-01 00:02:04 +0200'>2022-08-01</span></td><td><a href='/guix/commit/gnu/home.scm?id=61db74a687e36e842077c5c2f4b2e2c7afcd814a'>home: Add 'home-generation-base'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-07-17 02:00:00 +0200'>2022-07-17</span></td><td><a href='/guix/commit/gnu/home.scm?id=670818a4049edb8a77a5b596fbc7558bde57165c'>Revert "home: Add 'home-generation-base'."</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-07-23 00:39:55 +0200'>2022-07-23</span></td><td><a href='/guix/commit/gnu/home.scm?id=5df8f7802e8b45855e8f84830677001dc631e4f7'>home: Add 'home-generation-base'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>