Unfortunately if you were able to do this before, there is no way to do it now. Here is a link to the updated Help Article on all shortcuts in Docs:
https://support.google.com/docs/bin/answer.py?hl=en&answer=179738
The best way to do it now is Alt+I to access the menu options and C
++Edit (thanks to anon for pointing out easier way to access menus now++
Made an edit to keyboard inputs above to go directly to the Insert menu, and updated the keyboard shortcut for special chars which was changed.
It’s possible to insert todays date through a macro.
Open your Google Document and under Tools select Script editor. This opens Google's script editor where it’s possible to create macros for Google Documents.
Paste this script and save it as Date Macro or something:
/**
* The onOpen function runs automatically when the Google Docs document is
* opened. Use it to add custom menus to Google Docs that allow the user to run
* custom scripts. For more information, please consult the following two
* resources.
*
* Extending Google Docs developer guide:
* https://developers.google.com/apps-script/guides/docs
*
* Document service reference documentation:
* https://developers.google.com/apps-script/reference/document/
*/
function onOpen() {
// Add a menu with some items, some separators, and a sub-menu.
DocumentApp.getUi().createMenu('Utilities')
.addItem('Insert Date', 'insertAtCursor')
.addToUi();
}
/**
* Inserts the date at the current cursor location in boldface.
*/
function insertAtCursor() {
var cursor = DocumentApp.getActiveDocument().getCursor();
if (cursor) {
// Attempt to insert text at the cursor position. If insertion returns null,
// then the cursor's containing element doesn't allow text insertions.
var date = (new Date).toLocaleDateString('default', { day: 'numeric', month: 'long', year: 'numeric'}); // use your local (browser) date format with month name
var element = cursor.insertText(date);
if (element) {
element.setBold(true);
} else {
DocumentApp.getUi().alert('Cannot insert text at this cursor location.');
}
} else {
DocumentApp.getUi().alert('Cannot find a cursor in the document.');
}
}
Now refresh or reopen your document and a new menu item appears: Utilities. Under this menu an item appears called Insert Date. Click that to insert todays date at your cursor position.
To change the format of the date you need to change the “format” used in the script. The format can contain the following characters: yyyy-MM-dd'T'HH:mm:ss'Z'
To clarify, this script merely inserts today's date at the cursor location for the day you execute the utility. That's not precisely the same as the =today() function in Google Sheets, which updates the date to the current date whenever you open the spreadsheet. However, this script will save you the trouble of looking up the date and typing it on the day that you execute the script.
Best Answer
There are add-ons which support HTML markdown conversion, however not
<kbd></kbd>
tag, but you can do pretty much everything via inserting Drawing:...and then there are symbols like:
⌘ ✲ ⎈ ^ ⌃ ❖ ⌘ ⎇ ⌥ ◆ ◇ ✦ ✧ ⇧ ⇪ 🄰 🅰 ⇪ ⇫ ⇬ ⇮ ⇯ 🔠 🔡 ⇭ 🔢 🔤 ↩ ↵ ⏎ ⮰ ⌤ ⎆ ▤ ☰ 𝌆 ⎄ ⭾ ↹ ⇄ ⇤ ⇥ ↤ ↦ ⎋ ⌫ ⟵ ⌦ ⎀ ⎚ ⌧ ↖ ↘ ⇤ ⇥ ⤒ ⤓ ⇱ ⇲ ⇞ ⇟ △ ▽ ▲ ▼ ⎗ ⎘ ↑ ↓ ← → ◀ ▶ ▲ ▼ ◁ ▷ △ ▽ ⇦ ⇨ ⇧ ⇩ ⬅ ➡ ⬆ ⬇ ⎉ ⎊ ⎙ ⍰ ❓ ❔ ℹ 🛈 ☾ ⏏ ✉ 🏠 🏡 ⌂ ✂ ✄ ⎌ ↶ ↷ ⟲ ⟳ ↺ ↻ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ etc.
which depends on the font you use (if not supported by the font you will see squares/glyphs or nothing)