Vim mode for editing source code files for IEC 61131-3 textual programming languages: Structured Text, Instruction List and Sequential Function Chart. This plugin is compatible with 2nd and 3rd editions of the Standard.
Here is an example in URxvt with gruvbox color scheme:
To install with vim/neovim plug-vim add following line in your configuration file:
Plug 'https://github.com/jubnzv/IEC.vim'
See LICENSE file.