In the meta description, I'm find description like this in case tokens are empty:

Same issue was in D6 Nodewords: https://drupal.org/node/776086

How can I collapse all those white space to single one?

Thanks

Comments

Can you please re-post the HTML and wrap it with the <code> tag?

Here is sample:

<meta name="description" content="This new venture is at  NH - 24 Ghaziabad  Ghaziabad" />

Fields are displayed in browser, which automatically collapses the whitespaces to single space. So it is difficult to avoid spaces in the fields.