pvim ch03 reading notes

56653cb1.md

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+---
+date: 2021-03-10T07:38
+tags:
+  - vim
+---
+
+# the expression register
+
+The expression register (`=`) can be used to evaluate expressions, like `2+3`.
+If this register is used while in Insert mode (`<C-r>=`), the results of the
+expression will be inserted after the expression is evaluated.

9b74f625.md

@@ -2,3 +2,4 @@
 
 - [[[92598822]]]
 - [[[c4e96daf]]]
+- [[[b926d9bd]]]

b926d9bd.md

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+# vim
+
+- [[[56653cb1]]]
+- [[[fa6a31b4]]]

fa6a31b4.md

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+---
+date: 2021-03-10T07:40
+tags:
+  - vim
+---
+
+# replace mode
+
+From Normal mode, `R` activates Replace mode, which behaves a lot like Insert
+mode, except that it allows you to effectively type over existing content. This
+is different from `r`, which is a single character replacement (ending back in
+Normal mode) - `R` requires you to deliberately exit back to Normal mode.