Simply check if sanity check file should be generated based on nil input

core/init.go

@@ -96,7 +96,7 @@ func LibmuttonInit(inputCB func(prompt string) string, clientSpecificCfg map[str
 		}
 	}
 	// generate rcw sanity check file (if requested)
-	if len(rcwPassword) > 0 {
+	if rcwPassword != nil {
 		err := RCWSanityCheckGen(rcwPassword)
 		if err != nil {
 			return err

wiki/developers.md

@@ -28,7 +28,7 @@ libmutton-based password manager clients should all share the same JSON configur
 
 On UNIX-like systems, this is located at `~/.config/libmutton/libmuttoncfg.json`. On Windows, it is located at `~\AppData\Local\libmutton\config\libmuttoncfg.json`.
 
-If creating a third-party client that requires extra configuration to be stored, please use the `ClientSpecific` map in the `cfg.ConfigT` type (as used by `cfg.WriteConfig()`) to save your application-specific configuration.
+If creating a third-party client that requires extra configuration to be stored, please use the `ClientSpecific` map in the `config.CfgT` type (as used by `config.Write()`) to save your application-specific configuration.
 
 This ensures that a user can use multiple client applications with the same configuration while avoiding conflicts.