Adding new expressions to Blogger templates

Blogger's template engine is powered by a flexible editing language, consisting of a set of Widget Tags which use expressions to conditionally change the output HTML for each post and page on your blog. Using these expressions, you can customize the HTML output of your blog, to adjust the look and feel. You could, for example, show an image behind the header, but only on the homepage. Or add a flower icon, next to a post's title, if the post has the 'Flower' label. You can customize your blog's template under Settings > Template > Edit HTML. You can customize your template’s markup, to change the look and feel of your blog. Previously, the expressions in Blogger's templates could Add or concatenate values with + Subtract values with - Check for equality with != and == Compare values with < , > , <= and >= Now, support has been added for many more expression operators, including: Inversion of true/fals...