diff --git a/history/history.go b/history/history.go
index c57ef96..4a4bf9e 100644
--- a/history/history.go
+++ b/history/history.go
@@ -59,9 +59,9 @@ func (rev Revision) HyphaeLinks() (html string) {
 	}
 	for _, filename := range strings.Split(out.String(), "\n") {
 		// If filename has an ampersand:
-		if strings.IndexRune(filename, '&') >= 0 {
+		if strings.IndexRune(filename, '.') >= 0 {
 			// Remove ampersanded suffix from filename:
-			ampersandPos := strings.LastIndexByte(filename, '&')
+			ampersandPos := strings.LastIndexByte(filename, '.')
 			hyphaName := string([]byte(filename)[0:ampersandPos]) // is it safe?
 			if isNewName(hyphaName) {
 				// Entries are separated by commas
diff --git a/history/information.go b/history/information.go
index 469d9ab..164e3a9 100644
--- a/history/information.go
+++ b/history/information.go
@@ -39,7 +39,7 @@ func Revisions(hyphaName string) ([]Revision, error) {
 			"log", "--oneline", "--no-merges",
 			// Hash, Commiter email, Commiter time, Commit msg separated by tab
 			"--pretty=format:\"%h\t%ce\t%ct\t%s\"",
-			"--", hyphaName+"&.*",
+			"--", hyphaName+".*",
 		)
 		revs []Revision
 	)
diff --git a/http_mutators.go b/http_mutators.go
index 4801fe6..5f5d6b4 100644
--- a/http_mutators.go
+++ b/http_mutators.go
@@ -129,6 +129,9 @@ func handlerUploadText(w http.ResponseWriter, rq *http.Request) {
 		hyphaData, isOld = HyphaStorage[hyphaName]
 		textData         = rq.PostFormValue("text")
 	)
+	if !isOld {
+		hyphaData = &HyphaData{}
+	}
 	if textData == "" {
 		HttpErr(w, http.StatusBadRequest, hyphaName, "Error", "No text data passed")
 		return
@@ -159,8 +162,11 @@ func handlerUploadBinary(w http.ResponseWriter, rq *http.Request) {
 	var (
 		hyphaData, isOld = HyphaStorage[hyphaName]
 		mime             = handler.Header.Get("Content-Type")
-		hop              = hyphaData.UploadBinary(hyphaName, mime, file, isOld)
 	)
+	if !isOld {
+		hyphaData = &HyphaData{}
+	}
+	hop := hyphaData.UploadBinary(hyphaName, mime, file, isOld)
 
 	if len(hop.Errs) != 0 {
 		HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", hop.Errs[0].Error())
diff --git a/http_readers.go b/http_readers.go
index 8166353..d6cb9da 100644
--- a/http_readers.go
+++ b/http_readers.go
@@ -33,7 +33,7 @@ func handlerRevision(w http.ResponseWriter, rq *http.Request) {
 		revHash           = shorterUrl[:firstSlashIndex]
 		hyphaName         = CanonicalName(shorterUrl[firstSlashIndex+1:])
 		contents          = fmt.Sprintf(`<p>This hypha had no text at this revision.</p>`)
-		textPath          = hyphaName + "&.gmi"
+		textPath          = hyphaName + ".myco"
 		textContents, err = history.FileAtRevision(textPath, revHash)
 	)
 	if err == nil {
diff --git a/hypha.go b/hypha.go
index 322a3d8..b95f5d1 100644
--- a/hypha.go
+++ b/hypha.go
@@ -40,7 +40,7 @@ type HyphaData struct {
 }
 
 // uploadHelp is a helper function for UploadText and UploadBinary
-func (hd *HyphaData) uploadHelp(hop *history.HistoryOp, hyphaName, ext, originalFullPath string, isOld bool, data []byte) *history.HistoryOp {
+func (hd *HyphaData) uploadHelp(hop *history.HistoryOp, hyphaName, ext string, originalFullPath *string, isOld bool, data []byte) *history.HistoryOp {
 	var (
 		fullPath = filepath.Join(WikiDir, hyphaName+ext)
 	)
@@ -51,16 +51,17 @@ func (hd *HyphaData) uploadHelp(hop *history.HistoryOp, hyphaName, ext, original
 	if err := ioutil.WriteFile(fullPath, data, 0644); err != nil {
 		return hop.WithError(err)
 	}
-
-	if isOld && originalFullPath != fullPath {
-		if err := history.Rename(originalFullPath, fullPath); err != nil {
+	if isOld && *originalFullPath != fullPath && *originalFullPath != "" {
+		if err := history.Rename(*originalFullPath, fullPath); err != nil {
 			return hop.WithError(err)
 		}
-		log.Println("Move", originalFullPath, "to", fullPath)
+		log.Println("Move", *originalFullPath, "to", fullPath)
 	}
 	if !isOld {
 		HyphaStorage[hyphaName] = hd
 	}
+	*originalFullPath = fullPath
+	log.Printf("%v\n", *hd)
 	return hop.WithFiles(fullPath).
 		WithSignature("anon").
 		Apply()
@@ -69,7 +70,7 @@ func (hd *HyphaData) uploadHelp(hop *history.HistoryOp, hyphaName, ext, original
 // UploadText loads a new text part from `textData` for hypha `hyphaName` with `hd`.  It must be marked if the hypha `isOld`.
 func (hd *HyphaData) UploadText(hyphaName, textData string, isOld bool) *history.HistoryOp {
 	hop := history.Operation(history.TypeEditText).WithMsg(fmt.Sprintf("Edit ‘%s’", hyphaName))
-	return hd.uploadHelp(hop, hyphaName, ".myco", hd.textPath, isOld, []byte(textData))
+	return hd.uploadHelp(hop, hyphaName, ".myco", &hd.textPath, isOld, []byte(textData))
 }
 
 // UploadBinary loads a new binary part from `file` for hypha `hyphaName` with `hd`. The contents have the specified `mime` type. It must be marked if the hypha `isOld`.
@@ -82,7 +83,7 @@ func (hd *HyphaData) UploadBinary(hyphaName, mime string, file multipart.File, i
 		return hop.WithError(err)
 	}
 
-	return hd.uploadHelp(hop, hyphaName, MimeToExtension(mime), hd.binaryPath, isOld, data)
+	return hd.uploadHelp(hop, hyphaName, MimeToExtension(mime), &hd.binaryPath, isOld, data)
 }
 
 // DeleteHypha deletes hypha and makes a history record about that.
diff --git a/main.go b/main.go
index b8a6c78..abb11f8 100644
--- a/main.go
+++ b/main.go
@@ -29,7 +29,7 @@ var HyphaStorage = make(map[string]*HyphaData)
 
 // IterateHyphaNamesWith is a closure to be passed to subpackages to let them iterate all hypha names read-only.
 func IterateHyphaNamesWith(f func(string)) {
-	for hyphaName, _ := range HyphaStorage {
+	for hyphaName := range HyphaStorage {
 		f(hyphaName)
 	}
 }
diff --git a/metarrhiza b/metarrhiza
index faab70f..abb535c 160000
--- a/metarrhiza
+++ b/metarrhiza
@@ -1 +1 @@
-Subproject commit faab70f77e18197b1c4cecb5ad54e6d26da843f5
+Subproject commit abb535c0a90e78b92f31f4bf25764dc1fa0e3122