Xah Talk Show 2025-02-20 Ep616 Why Should You Use Math Symbols and Unicode in Programing Language

xah talk show 2025-02-20 32276
xah talk show 2025-02-20 32276
lean unicode 2025-02-20 2234d
lean unicode 2025-02-20 2234d
;; x → x²
;; 2 ↦ 4
;; α β γ
;; λ

(defun xtest (mystr)
  "inline doc. doc string.
for example, see `switch-to-buffer'.

“matching pairs”

for example, see `switch-to-buffer'.

This function takes an arg MYSTR.
MYSTR must contain a substring, delimited by single quote.
for example, if the arg give in
\"some 'thing' here\"

 “curly quote”
 \"curly quote\"

\"some \='thing\=' here\"

it returns \"thing\"
"
  (interactive)
    (message "mystr %s" mystr))
"why can't the parser auto detect  "nested" quotes."
"why can't the parser auto detect"
nested
"quotes."