Shortcuts: press Ctrl with: B = Bold, I = Italic, P = Publish, S = Save, D = Draft more

Blogger has several keyboard shortcuts you can use while editing posts. They definitely work in Internet Explorer 5.5+/Windows and the Mozilla family (1.6+ and Firefox 0.9+), and might work in other browsers. Here they are:
control + b = Bold
control + i = Italic
control + l = Blockquote (when in HTML-mode only)
control + z = Undo
control + y = Redo
control + shift + a = Link
control + shift + p = Preview
control + d = Save as Draft
control + p = Publish Post
control + s = Autosave and keep editing
control + g = Indic transliteration
if(document.getElementById('kb_ie6') != null)
showLayer('kb_ie6');
if(document.getElementById('kb_ie6_win') != null)
showLayer('kb_ie6_win');
if(document.getElementById('z_ie6') != null)
toggleZippy('z_ie6');
if(document.getElementById('z_ie6_win') != null)
toggleZippy('z_ie6_win');
if(document.getElementById('kb_ie') != null)
showLayer('kb_ie');
if(document.getElementById('kb_ie_win') != null)
showLayer('kb_ie_win');
if(document.getElementById('z_ie') != null)
toggleZippy('z_ie');
if(document.getElementById('z_ie_win') != null)
toggleZippy('z_ie_win');
if(document.getElementById('kb_win'))
showLayer('kb_win');
if(document.getElementById('z_win'))
toggleZippy('z_win');
if(document.getElementById('kb_winxp'))
showLayer('kb_winxp');
if(document.getElementById('z_winxp'))
toggleZippy('z_winxp');
if(document.getElementById('kb_IN'))
showLayer('kb_IN');
if(document.getElementById('z_IN'))
toggleZippy('z_IN');
if(document.getElementById('kb_non_US'))
showLayer('kb_non_US');
if(document.getElementById('z_non_US'))
toggleZippy('z_non_US');