fix build on RHEL 7

fix readline ifdef

Readline support

Uses readline when this library is available. It supports persistent history of searching strings

8bit support

This version supports 8bit encodings like latin1, latin2. The border arts is correctly printed on terminals with these encodings.

better, fixed searching

a searching is more robust and more correct now

force-uniborder option

with mentioned long option the ascii art (borders) can be replaced by more pretty unicode art

bookmarks, search highlighting

new features:

• bookmarks
• search highlighting

case insensitive searching

With options --ignore-case and --IGNORE-CASE

less like status bar

implemented --less-status-bar option

bugfix

fix sigabrt

bugfix

now it can be executed from nested command from su