also make Greek interpunct equivalent to cdot

doc/src/manual/variables.md

@@ -122,11 +122,11 @@ ERROR: syntax: unexpected "="
 
 Some Unicode characters are considered to be equivalent in identifiers.
 Different ways of entering Unicode combining characters (e.g., accents)
-are treated as equivalent (specifically, Julia identifiers are [NFC](http://www.macchiato.com/unicode/nfc-faq)-normalized).
+are treated as equivalent (specifically, Julia identifiers are [NFC](http://www.macchiato.com/unicode/nfc-faq)-normalized).  Julia
+also includes a few non-standard equivalences for characters that
+are visually similar and are easily entered by some input methods.
 The Unicode characters `ɛ` (U+025B: Latin small letter open e)
-and `µ` (U+00B5: micro sign) are treated as equivalent to the corresponding
-Greek letters, and the [interpunct](https://en.wikipedia.org/wiki/Interpunct) mark `·` (U+00B7: Middle dot) is treated as the mathematical
-dot operator (U+22C5: `⋅`), because the former are easily accessible via some input methods.
+and `µ` (U+00B5: micro sign) are treated as equivalent to the corresponding Greek letters.  The middle dot `·` (U+00B7) and the Greek [interpunct](https://en.wikipedia.org/wiki/Interpunct) `·` (U+0387) are both treated as the mathematical dot operator `⋅` (U+22C5).
 
 ## Stylistic Conventions
 

src/julia-parser.scm

@@ -21,7 +21,7 @@
 (define prec-colon       (append! '(: |..|) (add-dots '(… ⁝ ⋮ ⋱ ⋰ ⋯))))
 (define prec-plus        (append! '($)
                           (add-dots '(+ - |\|| ⊕ ⊖ ⊞ ⊟ |++| ∪ ∨ ⊔ ± ∓ ∔ ∸ ≏ ⊎ ⊻ ⊽ ⋎ ⋓ ⧺ ⧻ ⨈ ⨢ ⨣ ⨤ ⨥ ⨦ ⨧ ⨨ ⨩ ⨪ ⨫ ⨬ ⨭ ⨮ ⨹ ⨺ ⩁ ⩂ ⩅ ⩊ ⩌ ⩏ ⩐ ⩒ ⩔ ⩖ ⩗ ⩛ ⩝ ⩡ ⩢ ⩣))))
-(define prec-times       (add-dots '(* / ÷ % & ⋅ · ∘ × |\\| ∩ ∧ ⊗ ⊘ ⊙ ⊚ ⊛ ⊠ ⊡ ⊓ ∗ ∙ ∤ ⅋ ≀ ⊼ ⋄ ⋆ ⋇ ⋉ ⋊ ⋋ ⋌ ⋏ ⋒ ⟑ ⦸ ⦼ ⦾ ⦿ ⧶ ⧷ ⨇ ⨰ ⨱ ⨲ ⨳ ⨴ ⨵ ⨶ ⨷ ⨸ ⨻ ⨼ ⨽ ⩀ ⩃ ⩄ ⩋ ⩍ ⩎ ⩑ ⩓ ⩕ ⩘ ⩚ ⩜ ⩞ ⩟ ⩠ ⫛ ⊍ ▷ ⨝ ⟕ ⟖ ⟗ ⨟)))
+(define prec-times       (add-dots '(* / ÷ % & ⋅ · · ∘ × |\\| ∩ ∧ ⊗ ⊘ ⊙ ⊚ ⊛ ⊠ ⊡ ⊓ ∗ ∙ ∤ ⅋ ≀ ⊼ ⋄ ⋆ ⋇ ⋉ ⋊ ⋋ ⋌ ⋏ ⋒ ⟑ ⦸ ⦼ ⦾ ⦿ ⧶ ⧷ ⨇ ⨰ ⨱ ⨲ ⨳ ⨴ ⨵ ⨶ ⨷ ⨸ ⨻ ⨼ ⨽ ⩀ ⩃ ⩄ ⩋ ⩍ ⩎ ⩑ ⩓ ⩕ ⩘ ⩚ ⩜ ⩞ ⩟ ⩠ ⫛ ⊍ ▷ ⨝ ⟕ ⟖ ⟗ ⨟)))
 (define prec-rational    (add-dots '(//)))
 (define prec-bitshift    (add-dots '(<< >> >>>)))
 ;; `where`