Merge pull request #58 from jdhao/mapping-doc

update readme about mappings

README.md

@@ -143,7 +143,7 @@ Go to a string starting with `se`
 Some of the shortcuts I use frequently are listed here. In the following shortcuts, `<leader>` represents ASCII character `,`.
 
 | Shortcut          | Mode          | platform        | Description                                                              |
-|-------------------|---------------|-----------------|------------------------------------------------------------------|
+|-------------------|---------------|-----------------|--------------------------------------------------------------------------|
 | `<leader>ff`      | Normal        | Linux/macOS/Win | Fuzzy file searching in a floating window                                |
 | `<leader>fh`      | Normal        | Linux/macOS/Win | Fuzzy help file grepping in a floating window                            |
 | `<leader>fg`      | Normal        | Linux/macOS/Win | Fuzzy project-wide grepping in a floating window                         |
@@ -167,12 +167,15 @@ Some of the shortcuts I use frequently are listed here. In the following shortcu
 | `<leader>gc`      | Normal        | Linux/macOS/Win | Run git commit                                                           |
 | `<leader>gpl`     | Normal        | Linux/macOS/Win | Run git pull                                                             |
 | `<leader>gpu`     | Normal        | Linux/macOS/Win | Run git push                                                             |
-| `<F9>`            | Normal        | Linux/macOS/Win | Run current source file (for Python, C++)                        |
+| `<F9>`            | Normal        | Linux/macOS/Win | Compile&run current source file (for C++, LaTeX, Lua, Python)            |
 | `<F11>`           | Normal        | Linux/macOS/Win | Toggle spell checking                                                    |
 | `<F12>`           | Normal        | Linux/macOS/Win | Toggle paste mode                                                        |
 | `\x`              | Normal        | Linux/macOS/Win | Close location or quickfix window                                        |
 | `\d`              | Normal        | Linux/macOS/Win | Close current buffer and go to previous buffer                           |
-| `{count}gb`       | Normal        | Linux/macOS/Win | Go to buffer {count}  or next buffer in the buffer list.         |
+| `{count}gb`       | Normal        | Linux/macOS/Win | Go to buffer `{count}` or next buffer in the buffer list.                |
+| `{operator}iB`    | Normal        | Linux/macOS/Win | Operate in the whole buffer, `{operator}` can be `v`, `y`, `c`, `d` etc. |
+| `Alt-k`           | Normal        | Linux/macOS/Win | Move current line or selected lines up                                   |
+| `Alt-j`           | Normal        | Linux/macOS/Win | Move current line or selected lines down                                 |
 | `Alt-m`           | Normal        | macOS/Win       | Markdown previewing in system browser                                    |
 | `Alt-Shift-m`     | Normal        | macOS/Win       | Stopping Markdown previewing in system browser                           |
 | `ob`              | Normal/Visual | macOS/Win       | Open link under cursor or search visual selection                        |

core/mappings.vim

@@ -101,10 +101,6 @@ nnoremap / /\v
 " Search in selected region
 xnoremap / :<C-U>call feedkeys('/\%>'.(line("'<")-1).'l\%<'.(line("'>")+1)."l")<CR>
 
-" Find and replace (like Sublime Text 3)
-nnoremap <C-H> :%s/
-xnoremap <C-H> :s/
-
 " Change current working directory locally and print cwd after that,
 " see https://vim.fandom.com/wiki/Set_working_directory_to_the_current_file
 nnoremap <silent> <leader>cd :<C-U>lcd %:p:h<CR>:pwd<CR>
@@ -171,6 +167,7 @@ onoremap <silent> iB :<C-U>call text_obj#Buffer()<CR>
 
 " Do not move my cursor when joining lines.
 nnoremap J mzJ`z
+nnoremap gJ mzgJ`z
 
 " Break inserted text into smaller undo units.
 for ch in [',', '.', '!', '?', ';', ':']