Mastering Vim

Improving our plugin

There are many paths we can take our plugin in, but let's focus on two main issues we have right now:

• Our plugin fails with spectacular errors when we try to execute it in any other language
• The plugin does not provide a way to operate on multiple lines at once

Let's start with the first problem: making the plugin work across different languages. Right now, if you try to execute the plugin in, for example, a .vim file, you'll get the following volley of errors:

That's because we define g:commenter#comment_str in <...>/vim-commenter/ftplugin/python.vim, and the variable is only defined when we're working with a Python ...