added ALOT changes: SLIME, vimpyter, firenvim and <leader>

init.vim

@@ -16,6 +16,9 @@ set mouse=""
 " Plain old cursor in every mode.
 set guicursor=
 
+" Use a different mapleader.
+let mapleader='°'
+
 " Don't use arrow keys unless in command mode.
 inoremap <Up> <Nop>
 inoremap <Down> <Nop>
@@ -48,6 +51,9 @@ set nohlsearch
 " Relative numbers are great.
 set number relativenumber
 
+" I user :terminal quite often.
+nnoremap <leader>t :sp<Cr>:terminal<Cr>a
+
 "====================== Code Style Related Settings ============================
 "===============================================================================
 
@@ -96,6 +102,17 @@ Plug 'SirVer/ultisnips'
 " plugin for code highlighting.
 Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
 
+" SLIME brings REPL features to VIM.
+" I will try this out.
+Plug 'jpalardy/vim-slime'
+
+" This plugin should allow editing Jupyter Notebooks
+" in VIM.
+Plug 'szymonmaszke/vimpyter'
+
+" Firenvim allows to use neovim as the
+" firefox text editor.
+Plug 'glacambre/firenvim', { 'do': { _ -> firenvim#install(0) } }
 call plug#end()
 
 "===================== Language Server Configuration ===========================
@@ -211,3 +228,26 @@ let g:vimsyn_embed= 'l'
 "TSInstall c
 "TSInstall cpp
 "TSInstall bash
+
+
+
+"========================= Settings Related to SLIME ===========================
+"===============================================================================
+
+let g:slime_target = 'neovim'
+let g:slime_no_mappings = 1
+xmap <leader>r <Plug>SlimeRegionSend
+nmap <leader>r <Plug>SlimeParagraphSend
+
+"======================== Settings Related to IPYNB ============================
+"===============================================================================
+" You have to install notedown  pip3 install --user notedown.
+
+
+"===================== Settings Related to Firenvim ============================
+"===============================================================================
+
+if exists('g:started_by_firenvim')
+    imap <C-j> <C-n>
+    set fileformat=dos
+endif