Merge pull request #4512 from kaymmm/master

[vim/en] add additional fold commands and visual regex; reformat

vim.html.markdown

@@ -3,6 +3,7 @@ category: tool
 tool: vim
 contributors:
     - ["RadhikaG", "https://github.com/RadhikaG"]
+    - ["kaymmm", "https://github.com/kaymmm"]
 filename: LearnVim.txt
 ---
 
@@ -59,6 +60,7 @@ specific points in the file, and for fast editing.
     :%s/foo/bar/g     # Change 'foo' to 'bar' on every line in the file
     :s/foo/bar/g      # Change 'foo' to 'bar' on the current line
     :%s/\n/\r/g       # Replace new line characters with new line characters
+    :'<,'>s/foo/bar/g # Change 'foo' to 'bar on every line in the current visual selection
 
     # Jumping to characters
 
@@ -196,10 +198,21 @@ A few important examples of 'Verbs', 'Modifiers', and 'Nouns':
     
     # Fold text
     zf                # Create fold from selected text
+    zd                # Delete fold on the current line
+    zD                # Recursively delete nested or visually selected folds
+    zE                # Eliminate all folds in the window
     zo                # Open current fold
+    zO                # Recursively open nested or visually selected folds
     zc                # Close current fold
+    zC                # Recursively close nested or visually selected folds
     zR                # Open all folds
     zM                # Close all folds
+    za                # Toggle open/close current fold
+    zA                # Recursively toggle open/close nested fold
+    [z                # Move to the start of the current fold
+    ]z                # Move to the end of the current fold
+    zj                # Move to the start of the next fold
+    zk                # Move to the end of the previous fold
 ```
 
 ## Macros