4 files changed, 24 insertions, 6 deletions
diff --git a/src/nvim/api/command.c b/src/nvim/api/command.c
index ac1927eeb1..abd265f2cf 100644
--- a/src/nvim/api/command.c
+++ b/src/nvim/api/command.c
@@ -660,6 +660,12 @@ String nvim_cmd(uint64_t channel_id, Dict(cmd) *cmd, Dict(cmd_opts) *opts, Error
     OBJ_TO_CMOD_FLAG(CMOD_LOCKMARKS, mods.lockmarks, false, "'mods.lockmarks'");
     OBJ_TO_CMOD_FLAG(CMOD_NOSWAPFILE, mods.noswapfile, false, "'mods.noswapfile'");
 
+    if (cmdinfo.cmdmod.cmod_flags & CMOD_ERRSILENT) {
+      // CMOD_ERRSILENT must imply CMOD_SILENT, otherwise apply_cmdmod() and undo_cmdmod() won't
+      // work properly.
+      cmdinfo.cmdmod.cmod_flags |= CMOD_SILENT;
+    }
+
     if ((cmdinfo.cmdmod.cmod_flags & CMOD_SANDBOX) && !(ea.argt & EX_SBOXOK)) {
       VALIDATION_ERROR("Command cannot be run in sandbox");
     }
diff --git a/src/nvim/api/extmark.c b/src/nvim/api/extmark.c
index bdc0900dd9..f7c6b398d5 100644
--- a/src/nvim/api/extmark.c
+++ b/src/nvim/api/extmark.c
@@ -40,7 +40,7 @@ void api_extmark_free_all_mem(void)
   map_destroy(String, handle_T)(&namespace_ids);
 }
 
-/// Creates a new \*namespace\* or gets an existing one.
+/// Creates a new namespace or gets an existing one. \*namespace\*
 ///
 /// Namespaces are used for buffer highlights and virtual text, see
 /// |nvim_buf_add_highlight()| and |nvim_buf_set_extmark()|.
diff --git a/src/nvim/api/keysets.lua b/src/nvim/api/keysets.lua
index 7e0d399573..8ded9cfa5d 100644
--- a/src/nvim/api/keysets.lua
+++ b/src/nvim/api/keysets.lua
@@ -219,5 +219,8 @@ return {
   cmd_opts = {
     "output";
   };
+  echo_opts = {
+    "verbose";
+  };
 }
 
diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c
index 70b07dabe8..83c9d54725 100644
--- a/src/nvim/api/vim.c
+++ b/src/nvim/api/vim.c
@@ -726,8 +726,11 @@ void nvim_set_vvar(String name, Object value, Error *err)
 ///                text chunk with specified highlight. `hl_group` element
 ///                can be omitted for no highlight.
 /// @param history  if true, add to |message-history|.
-/// @param opts  Optional parameters. Reserved for future use.
-void nvim_echo(Array chunks, Boolean history, Dictionary opts, Error *err)
+/// @param opts  Optional parameters.
+///          - verbose: Message was printed as a result of 'verbose' option
+///            if Nvim was invoked with -V3log_file, the message will be
+///            redirected to the log_file and surpressed from direct output.
+void nvim_echo(Array chunks, Boolean history, Dict(echo_opts) *opts, Error *err)
   FUNC_API_SINCE(7)
 {
   HlMessage hl_msg = parse_hl_msg(chunks, err);
@@ -735,13 +738,19 @@ void nvim_echo(Array chunks, Boolean history, Dictionary opts, Error *err)
     goto error;
   }
 
-  if (opts.size > 0) {
-    api_set_error(err, kErrorTypeValidation, "opts dict isn't empty");
-    goto error;
+  bool verbose = api_object_to_bool(opts->verbose, "verbose", false, err);
+
+  if (verbose) {
+    verbose_enter();
   }
 
   msg_multiattr(hl_msg, history ? "echomsg" : "echo", history);
 
+  if (verbose) {
+    verbose_leave();
+    verbose_stop();  // flush now
+  }
+
   if (history) {
     // history takes ownership
     return;