Allow supporting nested formatting

[nparashar150]

Describe the issue
Text that contains multiple formats (e.g., bold, italic, code) is not correctly formatted when combined within the same element.

To Reproduce
Steps to reproduce the behavior:

1. Write text with nested formatting (e.g., bold and italic together).
2. Compile to HTML.
3. The formatting is incorrect.

Expected behavior
Nested formatting should be properly applied, allowing combinations of bold, italic, underline, etc.

Additional context
Support nesting of various formatting tags like strong, em, and code within the same block of text.