Index: TODO
===================================================================
diff -u -r3b2edfa776291682e0d251322997aad328b885df -r8db56ce1f1dff5e22768c59df1b9039e961c6267
--- TODO	(.../TODO)	(revision 3b2edfa776291682e0d251322997aad328b885df)
+++ TODO	(.../TODO)	(revision 8db56ce1f1dff5e22768c59df1b9039e961c6267)
@@ -2124,11 +2124,16 @@
 - defined nsf::deprecated as tcl proc, using ::nsf::log
 - some minor refactoring
 
+- "info parameter": return :switch as parameteroption for 
+   C-defined cmds, when a nonpos-arg gets no arguments
+- updated regression test
+
 TODO:
 - "info method definition" for attributes?
 
 - check performance implications of value conflict checker
 
+- explizites [::nsf::method delete] (sinngemäss), als ergänzung zum "{} {}"-idiom 
 - extend coro regression test
 
 - C-interface
Index: generic/nsf.c
===================================================================
diff -u -r3b2edfa776291682e0d251322997aad328b885df -r8db56ce1f1dff5e22768c59df1b9039e961c6267
--- generic/nsf.c	(.../nsf.c)	(revision 3b2edfa776291682e0d251322997aad328b885df)
+++ generic/nsf.c	(.../nsf.c)	(revision 8db56ce1f1dff5e22768c59df1b9039e961c6267)
@@ -6846,6 +6846,8 @@
       nameStringObj = Tcl_NewStringObj(pPtr->name, -1);
       if (pPtr->type) {
         ParamDefsFormatOption(interp, nameStringObj, pPtr->type, &colonWritten, &first);
+      } else if (isNonpos && pPtr->nrArgs == 0) {
+        ParamDefsFormatOption(interp, nameStringObj, "switch", &colonWritten, &first);
       }
       if (outputRequired) {
         ParamDefsFormatOption(interp, nameStringObj, "required", &colonWritten, &first);
Index: tests/info-method.test
===================================================================
diff -u -re756bf87414d3f6376327b3a126e5e8ae619302d -r8db56ce1f1dff5e22768c59df1b9039e961c6267
--- tests/info-method.test	(.../info-method.test)	(revision e756bf87414d3f6376327b3a126e5e8ae619302d)
+++ tests/info-method.test	(.../info-method.test)	(revision 8db56ce1f1dff5e22768c59df1b9039e961c6267)
@@ -325,11 +325,11 @@
       {::C public method {bar baz y} {x:int y:upper} {return y}}
 
   ? {nx::Object info method parameter "info lookup methods"} \
-      "-callprotection -incontext -methodtype -nomixins -path -source pattern:optional"
+      "-callprotection -incontext:switch -methodtype -nomixins:switch -path:switch -source pattern:optional"
   ? {o info method parameter "foo b"} "x:int y:upper"
 
   ? {nx::Object info method parameter ::nx::Object::slot::__info::lookup::methods} \
-      "-callprotection -incontext -methodtype -nomixins -path -source pattern:optional"
+      "-callprotection -incontext:switch -methodtype -nomixins:switch -path:switch -source pattern:optional"
   ? {o info method parameter "::o::foo::b"} "x:int y:upper"
 
   ? {nx::Object info method handle "info"} "::nsf::classes::nx::Object::info"
Index: tests/parameters.test
===================================================================
diff -u -rf0295d889aaf71709c63243685897dc3f11048f1 -r8db56ce1f1dff5e22768c59df1b9039e961c6267
--- tests/parameters.test	(.../parameters.test)	(revision f0295d889aaf71709c63243685897dc3f11048f1)
+++ tests/parameters.test	(.../parameters.test)	(revision 8db56ce1f1dff5e22768c59df1b9039e961c6267)
@@ -566,12 +566,12 @@
       "query instparams for scripted method 'method'"
   
   ? {Object info method parameter ::nsf::forward} \
-      "object -per-object method -default -earlybinding -methodprefix -objframe -onerror -verbose target:optional args" \
+      "object -per-object:switch method -default -earlybinding:switch -methodprefix -objframe:switch -onerror -verbose:switch target:optional args" \
       "query parameter for C-defined cmd 'nsf::forward'"
-  
+
   Object require method autoname
   ? {Object info method parameter autoname} \
-      "-instance -reset name" \
+      "-instance:switch -reset:switch name" \
       "query parameter for C-defined method 'autoname'"
   
   # TODO: how to query the params/instparams of info subcommands?