The Problem: Nonstandard Formatting

~

toggles the case of the letter under the cursor.

vU

uppercase the letter under the cursor.

Paste the Macro into a Document

:put a

paste the macro into the document(below the current line). "ap paste the contents of a register after the cursor position on the current line.

Edit the Text

Yank the Macro from the Document Back into a Register

"add

the dd command performs a line-wise deletion, the register contains a trailing ^J character. this character represents a newline.

As a precaution, using a character-wise yank:

"ay$

yank every character on that line except for the carriage return.

Discussion

:let @a=substitute(@a, '~', 'vU', 'g')

perform the same edit as before.

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