Doc: reason for using ::SendNet over ::Post in few cases

src/company_cmd.cpp

@@ -898,8 +898,12 @@ CommandCost CmdCompanyCtrl(DoCommandFlag flags, CompanyCtrlAction cca, CompanyID
 				assert(_local_company == COMPANY_SPECTATOR);
 				SetLocalCompany(c->index);
 
-				/* In network games, we need to try setting the company manager face here to sync it to all clients.
-				 * If a favorite company manager face is selected, choose it. Otherwise, use a random face. */
+				/*
+				 * If a favorite company manager face is selected, choose it. Otherwise, use a random face.
+				 * Because this needs to be synchronised over the network, only the client knows
+				 * its configuration and we are currently in the execution of a command, we have
+				 * to circumvent the normal ::Post logic for commands and just send the command.
+				 */
 				if (_company_manager_face != 0) Command<CMD_SET_COMPANY_MANAGER_FACE>::SendNet(STR_NULL, c->index, _company_manager_face);
 
 				/* Now that we have a new company, broadcast our company settings to

src/network/network_server.cpp

@@ -2157,6 +2157,13 @@ void NetworkServerNewCompany(const Company *c, NetworkClientInfo *ci)
 		/* ci is nullptr when replaying, or for AIs. In neither case there is a client. */
 		ci->client_playas = c->index;
 		NetworkUpdateClientInfo(ci->client_id);
+
+		/*
+		 * This function is called from a command, but is only called for the server.
+		 * The client information is managed out-of-band from the commands, so to not have a
+		 * different state/president/company name in the different clients, we need to
+		 * circumvent the normal ::Post logic and go directly to sending the command.
+		 */
 		Command<CMD_COMPANY_ADD_ALLOW_LIST>::SendNet(STR_NULL, c->index, ci->public_key);
 		Command<CMD_RENAME_PRESIDENT>::SendNet(STR_NULL, c->index, ci->client_name);
 

src/settings.cpp

@@ -1790,6 +1790,11 @@ void SyncCompanySettings()
 		const SettingDesc *sd = GetSettingDesc(desc);
 		uint32_t old_value = (uint32_t)sd->AsIntSetting()->Read(old_object);
 		uint32_t new_value = (uint32_t)sd->AsIntSetting()->Read(new_object);
+		/*
+		 * This is called from a command, and since it contains local configuration information
+		 * that the rest of the clients do not know about, we need to circumvent the normal ::Post
+		 * local command validation and immediately send the command to the server.
+		 */
 		if (old_value != new_value) Command<CMD_CHANGE_COMPANY_SETTING>::SendNet(STR_NULL, _local_company, sd->GetName(), new_value);
 	}
 }