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Feature Comparison
A lot goes into making an IME a seamless experience. Here’s how the AVIM extension and its competitors stack up:
| Feature | Vietnamese IME extensions | |||
|---|---|---|---|---|
| AVIM 20080728.237 | Mudim 0.8.125 | CHIM 1.0 | Vietnamese Portable 1.0 | |
| Download size | 40.9 kB | 30.1 kB | 9.7 kB | 11.6 kB |
| Size after installation | 91.1 kB | 67.2 kB | 10.2 kB | 32.7 kB |
| Screen area | 0–592 px | 768 px | 4,246 px | ? |
| Interface languages | en, es, fr, vi, zh | en | en | en |
| Price | Free | Free | Free | Free |
| License | MIT | GPL 2 | GPL 2 | Permissive |
| Architecture | Stateless | Input buffer | Input buffer | Stateless |
| Applications | ||||
| Mozilla Firefox | 3.0–3.1 | 1.0–3.0.x | 1.0–2.0 | 1.5–2.0.0.x |
| Mozilla Thunderbird | 3.0.x | No | No | No |
| Mozilla Sunbird | 1.0pre | No | No | No |
| Mozilla Fennec | 1.0 | No | No | No |
| Mozilla Prism | 0.9–1.0.0.x | No | No | No |
| SeaMonkey | 2.0 | No | No | No |
| Flock | 2.0.x | 1.0–2.0.x | No | No |
| Songbird | 0.3–0.7.0 | No | No | No |
| Netscape | No | No | No | No |
| Komodo IDE, Komodo Edit | 5.0.x | No | No | No |
| Spicebird | 0.7 | No | No | No |
| Instantbird | 0.1.2–0.1.x | No | No | No |
| SamePlace | 0.9.x | No | No | No |
| BlueGriffon | 0.1 | No | No | No |
| Pencil | 1.x | No | No | No |
| ChatZilla | 0.9.69+ | No | No | No |
| Input methods | ||||
| Telex | Yes | Yes | Yes | Yes |
| VNI | Yes | Yes | Yes | Yes |
| VIQR (+ variant) | Yes | Yes | Yes | Yes |
| VIQR (* variant) | Yes | No | No | Yes |
| Combinations | Telex, VNI, VIQR+, VIQR* | Telex, VNI | No | Telex, VNI |
| Input method features | ||||
| Configurable combination input method | Yes | No | No combinations | No |
| Diacritics shifted backwards (Viet^.) | Việt | Việt | Viet^. | Việt |
| Diacritics duplicated backwards (truong+`) | trường | trường | truong+` | trường |
| Diacritics shifted forwards (to'an) | toán | toán | tóan | toán |
| Diacritics duplicated forwards (tru+ong) | trưong | trương | trưong | trưong |
| Diacritics attached to existing words | Yes | Must retype word | Must retype word | Yes |
| Overridden diacritics (ma'`?~.) | mạ | mạ | mạ | mạ |
| Erased diacritics (la'i-) | lai | Telex, VNI only | Telex, VNI only | lai |
| Escaped dead keys in VIQR (Ddu'ng\.) | Đúng. | Đúng\. | Đúng\. | Đúng. |
| Escaped dead keys by repetition (Sai..) | Sai. | Sai. | Sai. | Sai. |
| Canceled words (using Ctrl) | No | Yes | No | No |
| Ignored textboxes | Yes | Location Bar only | No | No |
| Single-line textboxes scroll to beginning when adding diacritics | No | Yes | Yes | Yes |
| Multiline textboxes scroll to top when adding diacritics | No | No | No | No |
| Spelling features | ||||
| Spelling rules enforced | Yes | Yes | No | Yes |
| Old-style diacritic placement | Yes | Yes | Spelling not enforced | Yes |
| New-style diacritic placement | Yes | Yes | Yes | |
| Exceptions for informal spellings | dz, f | No | No | |
| User interface features | ||||
| Status bar panel | Yes | Yes | Yes | Broken in Mac OS X |
| Menu | Yes | No | No | No |
| Toolbar buttons | Yes | No | No | No |
| Preferences window | Yes | No | No | No |
| Keyboard shortcuts | Yes | Broken in Mac OS X | No | Broken in Mac OS X |
| Preferences take effect throughout Firefox | Yes | No | No | No |
| Status bar panel can be hidden | Yes | No | No | No |
| Causes JavaScript errors | No | Yes | No | No |
| Firefox windows and dialog boxes | ||||
| Main browser window | Yes | Yes | Except in Search Bar and Find Bar | Yes |
JavaScript dialogs (prompt()) |
Yes | No | No | No |
| Open Web Location dialog | Yes | No | No | No |
| Library (formerly the Bookmarks Organizer) | Yes | No | No | No |
| Add Bookmark panel | Yes | No | No | No |
| Bookmark All Tabs dialog | Yes | No | No | No |
| Bookmark Properties dialog | Yes | No | No | No |
| Page Source window | Yes | No | No | No |
| Downloads window | Yes | No | No | No |
| Add-ons window | Yes | No | No | No |
| Error Console (formerly the JavaScript Console) | Yes | No | No | No |
| Options dialog (Preferences window) | Yes | No | No | No |
| Report a Broken Web Site dialog | Yes | No | No | No |
| Flock-specific windows and dialog boxes | ||||
| Blog Editor window | Yes | No | Flock not supported | Flock not supported |
| Image Properties dialog | Yes | No | ||
| Photo Uploader window | Yes | No | ||
| Supported extensions | ||||
| ChatZilla | Yes | No | No | No |
| ColorZilla | Yes | No | No | No |
| Console² | Yes | No | No | No |
| Deepest Sender | Yes | No | No | No |
| DOM Inspector | Yes | No | No | No |
| Facebook Toolbar | Yes | Yes | Yes | Yes |
| Firebug | Yes | No | No | No |
| googlebar | Yes | No | No | No |
| Google Toolbar | Yes | No | No | No |
| iMacros | Yes | Sidebar only | Sidebar only | Sidebar only |
| JavaScript Debugger (Venkman) | Yes | No | No | No |
| Mozilla XForms | Yes | No | No | No |
| Nightly Tester Tools | Yes | No | No | No |
| Pencil | Yes | No | No | No |
| Prism for Firefox | Yes | No | No | No |
| pyshell for PyXPCOMExt | Yes | No | No | No |
| Quick Locale Switcher | Yes | No | No | No |
| ReminderFox | Yes | No | No | No |
| Sage-Too | Yes | No | No | No |
| ScrapBook | Yes | Yes | Yes | Yes |
| ScribeFire | Yes | Except separate window | Except separate window | Except separate window |
| SQLite Manager | Yes | No | No | No |
| StumbleUpon | Yes | No | No | No |
| Vietnamese Dictionary | Yes | Yes | Yes | Yes |
| Vietnamese Language Pack | Yes | Interface in English | Interface in English | Interface in English |
| vnDict | Yes | Yes | Yes | Yes |
| WebChunks | Yes | No | No | No |
| Web Developer | Yes | No | No | No |
| wmlbrowser | Yes | No | No | No |
| Yahoo! Toolbar | Yes | Yes | Yes | Yes |
| yoono | Yes | Yes | Yes | Yes |
| Zotero | Yes | No | No | No |
| Plain text controls | ||||
HTML single-line text fields (<input type="text">) |
Yes | Yes | Yes | Yes |
HTML password fields (<input type="password">) |
No | No | No | No |
HTML multiline text areas (<textarea>) |
Yes | Yes | Yes | Yes |
HTML index search fields (<isindex>) |
Yes | No | No | No |
| Flash input textboxes | No | No | No | No |
Java AWT textboxes (TextArea, TextField) |
No | No | No | No |
Java Swing textboxes (JTextField, JPasswordField, JComboBox) |
No | No | No | No |
XForms single-line text fields (<input>) |
Yes | No | No | No |
XForms password fields (<secret>) |
No | No | No | No |
XForms multiline text areas (<textarea>) |
Yes | No | No | No |
XForms combo boxes (<select1 selection="open">) |
Yes | No | No | No |
| Rich text controls | ||||
Midas (designMode) |
Yes | Yes | No | Yes |
contentEditable |
Yes | No | No | No |
Java Swing textboxes (JFormattedTextField) |
No | No | No | No |
| Rich text editors | ||||
| AreaEdit | Yes | Yes | Rich text editing not supported | Yes |
| BlueShoes Wysiwyg Editor | Yes | Yes | Yes | |
| Cross-Browser Rich Text Editor | Yes | Yes | Yes | |
| Cute Editor | Yes | Yes | Yes | |
| DevEdit NX | Yes | Yes | Yes | |
| Dijit.Editor (Dojo) | Yes | No | No | |
| FCKeditor | Yes | Yes | Yes | |
| Google (Blogger, Gmail, Google Docs, Google Sites, Knol) | Yes | Yes | No | |
| Movable Type | Yes | Yes | Yes | |
| openWYSIWYG | Yes | Yes | No | |
| RTEF | Yes | Yes | Yes | |
| RTWedit | Yes | Yes | Yes | |
| SPAW Editor | Yes | Yes | Yes | |
| TinyMCE | Yes | Yes | Yes | |
| Web Wiz Rich Text Editor | Yes | Yes | Yes | |
| Whizzywig | Yes | Yes | Yes | |
| widgEditor | Yes | Yes | Yes | |
| Xinha | Yes | Yes | Yes | |
| YUI Rich Text Editor | Yes | Yes | Yes | |
| Compatibility with in-page IMEs | ||||
| AVIM (formerly HIM) | Yes | Yes | Yes | No |
| CHIM, Mudim | Yes | Yes | Yes | Yes |
| MViet | Yes | Yes | Yes | No |
| VietIMEW | Yes | Yes | Yes | No |
| VietTyping | Yes | Yes | Yes | No |
| VietUni | Yes | Yes | Yes | No |
| Vinova | Yes | No | No | No |
| Miscellaneous features | ||||
| Status bar panel skins | No | Yes | No | No |
| Extension icon | Yes | No | Yes | No |
| Preferences using about:config | Yes | Yes | No | No |
| Incompatible extensions detected | Yes | No | No | No |
Legend: Supported • Incomplete or buggy • Unsupported