- How to remove the column header at the beginning of every left column page? The image is in following:
https://i.stack.imgur.com/2RYIB.png or click on this web-link https://tex.stackexchange.com/questions/378757/problems-with-header-in-two-column-page-layout
- How to add bookmarks (switch to every capital letter, such as A, B, C, etc. at the head-position of every words group) into the output PDF document. To be precise, when I open the output through Acrobat Adobe Pro I couldn't find the bookmarks on the left-hand side. I have already loaded the package hyperref, however, it didn't work.
The minimal working example is: