Initial commit: Klammertext source distribution

Curated source subset assembled by klammertext-dev's doc/make_dist.sh: the Klammermachine (mac), the Standard Klammer Set (sks), the commands (com), editor plugins and install guides (doc), a test subset (tst), and lib/bin placeholders. Builds with 'make -C com'.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

mac/katom_list.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "katom.h"
+#include "state.h"
+
+
+std::string to_string(std::vector<Katom>::const_iterator begin, std::vector<Katom>::const_iterator end, bool trim_result=false);
+std::string to_string(const std::vector<Katom>& katoms, bool trim_result=false);
+
+// std::vector<Katom> process_katoms(
+//     const std::string& s, State& state, const std::string& source,
+//     bool nonascii=true, bool literal=true, bool ignore=true, bool whitespace=true,
+//     bool klammers=true, bool eval=true, bool cond=true, bool read=true);
+
+bool level_increase(const Katom& k);
+bool level_decrease(const Katom& k);
+
+const katom_list::iterator
+find_katom_named(const katom_list::iterator begin, const katom_list::iterator end, std::string name);
+
+const std::vector<Katom>::iterator
+find_katom(const std::vector<Katom>::iterator begin, const std::vector<Katom>::iterator end, size_t index);
+
+std::vector<std::pair<Katom, Katom>>
+find_spans(std::vector<Katom>::iterator begin, std::vector<Katom>::iterator end,
+           std::function<bool(const Katom&)> level_inc,
+           std::function<bool(const Katom&)> level_dec,
+           bool error_exit,
+           std::string name);
+
+std::vector<std::pair<Katom, Katom>>
+find_spans(std::vector<Katom>& katoms,
+           std::function<bool(const Katom&)> level_inc,
+           std::function<bool(const Katom&)> level_dec,
+           bool error_exit=true,
+           std::string name="all");
+
+
+void describe_spans(const std::vector<Katom>& katoms);
+
+std::pair<std::vector<Katom>::iterator, std::vector<Katom>::iterator>
+find_span_katoms(std::vector<Katom>& katoms, const Katom& begin, const Katom& end);
+
+std::pair<std::vector<Katom>::iterator, std::vector<Katom>::iterator>
+find_span_katoms(
+    std::vector<Katom>::iterator kbegin, std::vector<Katom>::iterator kend, const Katom& begin, const Katom& end);
+
+void encode_nonascii_characters(std::vector<Katom>& katoms);
+void mark_literal_katoms(std::vector<Katom>& katoms);
+void mark_ignored_katoms(std::vector<Katom>& katoms);
+
+void process_klammer_katoms(std::vector<Katom>& katoms);