if usage.RegexpArgs != nil {
				// First join rawArgs without expansion to pass to RegexpArgs.
				rawArgs := make([]string, 0, len(cmd.rawArgs))
				for _, frags := range cmd.rawArgs {
					var b strings.Builder
					for _, frag := range frags {
						b.WriteString(frag.s)
					}
					rawArgs = append(rawArgs, b.String())
				}
				regexpArgs = usage.RegexpArgs(rawArgs...)
			}
		}

}

func (c *funcCmd) Usage() *CmdUsage { return &c.usage }

// firstNonFlag returns a slice containing the index of the first argument in
// rawArgs that is not a flag, or nil if all arguments are flags.
func firstNonFlag(rawArgs ...string) []int {
	for i, arg := range rawArgs {
		if !strings.HasPrefix(arg, "-") {
			return []int{i}
		}
		if arg == "--" {
			return []int{i + 1}
		}
	}
	return nil
}

// implicit @upgrade. path@none is "downgrade away".
func parseArgs(ctx context.Context, rawArgs []string) (dropToolchain bool, queries []*query) {
	defer base.ExitIfErrors()

	for _, arg := range search.CleanPatterns(rawArgs) {
		q, err := newQuery(arg)
		if err != nil {
			base.Error(err)
			continue
		}

		if q.version == "none" {
			switch q.pattern {

}

// A NonFlagError indicates an argument that is not a syntactically-valid flag.
type NonFlagError struct {
	RawArg string
}

func (e NonFlagError) Error() string {
	return fmt.Sprintf("not a flag: %q", e.RawArg)
}

// ParseOne sees if args[0] is present in the given flag set and if so,
// sets its value and returns the flag along with the remaining (unused) arguments.
//

			}

			if nd.RawArg == "-args" || nd.RawArg == "--args" {
				// -args or --args signals that everything that follows
				// should be passed to the test.
				explicitArgs = append(explicitArgs, remainingArgs...)
				break
			}

			if firstUnknownFlag == "" {
				firstUnknownFlag = nd.RawArg
			}

			explicitArgs = append(explicitArgs, nd.RawArg)
			args = remainingArgs

			Namespaces: tagNamespaces,
		}
		key := uniqTag{
			revision: tagRevision,
			tag:      tagName,
		}
		rawTags[key] = tagDesc
	}
	for k := range rawTags {
		if k.tag != "" {
			delete(rawTags, uniqTag{revision: k.revision})
		}
	}
	tags := slices.SortFunc(maps.Values(rawTags), func(a, b tagDescription) int {
		if r := cmp.Compare(a.Revision, b.Revision); r != 0 {
			return r
		}

return arg;},this);return sig;},_parseArg:function(rawArg){var arg=rawArg.trim().replace(/,/g,',').replace(/\\(.)/g,'$1');var a={name:arg};var fc=arg[0];if(fc==='-'){fc=arg[1];}
if(fc>='0'&&fc<='9'){fc='#';}