Normalize S-<lower-ascii>
keymaps to uppercase ascii
#9213
Merged
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Keymaps that use the shift modifier and a lowercase ascii character should be equivalent to keymaps that use just the uppercase of that ascii character. We can normalize key events as we parse them out of strings so that both representations parse to the same event. This allows mapping keys like
C-S-r
which previously could only be bound byC-R
.