editor improvements

assets/css/layout.css

@@ -90,7 +90,7 @@
 }
 
 .reader {
-  font-size: 150%;
+  font-size: 133%;
   line-height: 1;
   white-space: pre-wrap;
   hyphens: manual;

docs/todo.md

@@ -12,6 +12,9 @@
 - [ ] Complete `internal/archive/archive.go to support all archive types. need to supprt legacy zip via hwzip and arc.
 - [ ] Automatic cleanup of tmp/defacto2-server if drive space is low.
 - [ ] When extracting archives for MS-DOS, flag invalid filenames and suggest a repack.
+- [ ] Render HTML in an iframe instead of readme? Example, http://localhost:1323/f/ad3075
+- [ ] Handle magazines title on artifact page, http://localhost:1323/f/a55ed, this is hard to read, "Issue 4\nThe Pirate Syndicate +\nThe Pirate World"
+- [ ] If artifact is a text file displayed in readme, then delete image preview, these are often super long, large and not needed.
 
 - [ ] - http://www.platohistory.org/
 - [ ] - https://portcommodore.com/dokuwiki/doku.php?id=larry:comp:bbs:about_cbbs
@@ -23,6 +26,7 @@ Magic files to add:
 
 - Excel, http://localhost:1323/f/b02fcc
 - Multipart zip, http://localhost:1323/f/a9247de, http://localhost:1323/f/a619619
+- Convert ms-dos filenames to valid utf-8 names, see http://localhost:1323/f/b323bda
 
 ### Bug fixes
 

handler/app/app.go

@@ -824,6 +824,40 @@ func ReadmeSuggest(filename, group string, content ...string) string {
 	return ""
 }
 
+// Readmes returns a list of readme text files found in the file archive.
+func Readmes(content ...string) []string {
+	finds := []string{}
+	skip := []string{"scene.org", "scene.org.txt"}
+	for _, name := range content {
+		if name == "" {
+			continue
+		}
+		s := strings.ToLower(name)
+		if slices.Contains(skip, s) {
+			continue
+		}
+		ext := filepath.Ext(s)
+		if slices.Contains(priority(), ext) {
+			finds = append(finds, name)
+			continue
+		}
+		if slices.Contains(candidate(), ext) {
+			finds = append(finds, name)
+		}
+	}
+	return finds
+}
+
+// priority returns a list of readme text file extensions in priority order.
+func priority() []string {
+	return []string{".nfo", ".txt", ".unp", ".doc"}
+}
+
+// candidate returns a list of other, common text file extensions in priority order.
+func candidate() []string {
+	return []string{".diz", ".asc", ".1st", ".dox", ".me", ".cap", ".ans", ".pcb"}
+}
+
 // RecordRels returns the groups associated with a release and joins them with a plus sign.
 func RecordRels(a, b any) string {
 	av, bv, s := "", "", ""