REmove current word from header
Swap definitions and examples
Н/д => н/д
Fix 500 on edit_marks
New from for main definition
Fix main definition layout
Oops. Return this method + update
Revert "REmove current word from header"

This reverts commit f78c0d19fbe8b82bd28642e393bf88b72038b080.
Fix indentation
Do not show samples when doesn`t exists
You can`t remove last word
Fix titles