How to display WordPress search results?

Basically, you need to include the WordPress loop in your search.php template to loop through the search results and show them as part of the template. Below is a very basic example from The WordPress Theme Search Template and Page Template over at ThemeShaper.

How to find HTML rendered by in WordPress?

The wp_head() function simply calls all functions hooked to the wp_head action. Various functions will be hooked to this action, they may reside in the WordPress core, or perhaps in plugins you may be using, or even in your theme’s functions.php file. To my knowledge, there isn’t a specific wp_head template ‘file’ that you can edit. Ref: http://codex.wordpress.org/Plugin_API/Action_Reference/wp_head http://codex.wordpress.org/Function_Reference/wp_head

Rename block fields in the WordPress style dropdown

Not 100% certain what you mean – I see “Heading 2” rather than H2, and I’m fairly sure I’m using a standard install: If it’s those names you want to change, I don’t know of a way to change them without changing the core files: wp-includes/js/tinymce/langs/wp-langs-en.js (for example); it’s the block starting tinyMCE.addI18n(“en.advanced”

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