import re


def process_tex(lines):
    """
    Remove unnecessary section titles from the LaTeX file.
    """
    new_lines = []
    for line in lines:
        line = re.sub(r'^\s*\\strong{See Also:}\s*$', r'\paragraph{See Also}', line)

        if (line.startswith(r'\section{sknano.')
            or line.startswith(r'\subsection{sknano.')
            or line.startswith(r'\subsubsection{sknano.')
            or line.startswith(r'\paragraph{sknano.')
            or line.startswith(r'\subparagraph{sknano.')
            ):
            pass # skip!
        else:
            new_lines.append(line)
    return new_lines