F3 , F4 Start recording macro, finish recording macro
C-u F3 Play last macro then append keys
F4 Play back macro
+C-x C-k b Bind macro to key (0-9, A-Z)
+C-x C-k C-e Edit last macro
+C-x C-k l Edit recent keys as macro
+C-x C-k r Apply macro to region lines
```
+# Registers
+```
+C-x r s <?> Copy region into register
+C-x r i <?> Insert text from register
+C-x r Space <?> Save point position to register
+C-x r j <?> Jump to point position at register
+```
+
+# Mouse secondary selection
+```
+Meta-Drag Set selection
+Meta-Right-Click Yank secondary
+```
+
+
# Mode switching
```
C-x C-j Open direx at current file