Merge branch 'dfrancois-master-patch-87404' into 'master'

Update slides.md: remove ! as a logical negation operator

See merge request !1

slides.md

@@ -348,7 +348,7 @@ Consists of one or more logical operators and logical, numeric or relational ope
 |     `.EQV.`     |     `==`     |     `A .EQV. B`      |  logical equivalence |
 |     `.NEQV.`    |     `/=`    |     `A .NEQV. B`      |  logical inequivalence |
 |     `.XOR.`     |     `/=`     |     `A .XOR. B`      |  exclusive `OR` (same as `.NEQV.`) |
-|     `.NOT.`     |     `!`     |     `.NOT. A`      |  logical negation |
+|     `.NOT.`     |             |     `.NOT. A`      |  logical negation |
 
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