Update documentation

NEWS

@@ -14,16 +14,17 @@ Version 5.x -- future
 
 Version 4.7.0
         * 2025-12-01 (target)
+	* Some internal functions change names to avoid conflicts with apps.
 	* POSIX threads are required to build and run Hamlib. Note that it was
 	  actually the case for 4.6.x, but now the configuration step will
 	  fail instead of the compilation.
 	* Functions rig_get_conf, rot_get_conf, amp_get_conf deprecated;
-          use *_get_conf2() instead.
+          use *_get_conf2() instead. Also rig_set_trn and rig_get_trn deprecated.
         * Fix handling of unprintable characters in kenwood.c that broke radios
           such as the TM-D710/TM-V71 that use EOM_TH (\r) as the command terminator.
           (TNX, Lars Kellogg-Stedman and George Baltz).
         * Reduce/repair excess output from cppcheck.sh - mostly cosmetic changes (WIP)
-          Output from `wc -l cppcheck.log` - 4.6.2: 981  now: 642
+          Output from `wc -l cppcheck.log` - 4.6.2: 981  now: 595
         * Remove dead getopt code.  GitHub PR #1709. (TNX Daniele Forsi)
         * Move rig_cache to separate(calloc) storage. Prepare for other moves.
           Issue #1420

ReleaseNotes_4.7.md

@@ -17,6 +17,7 @@ changes to ease transition to 5.0
 - Functions `rig_get_conf()`, `rot_get_conf()` and `amp_get_conf()` are deprecated and
   will be removed in 5.0. Use `..._get_conf2()` instead. See issue
   [#924](https://github.com/Hamlib/Hamlib/issues/924).
+- Functions `rig_set_trn()` & `rig_get_trn()` deprecated; operation now handled internally.
 - Documentation brought up to date.
 - (TBD)