Check Different Fonts of oO0: PT sans, Consolas & More

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The discussion highlights the confusion between lowercase 'o', capital 'O', and character '0' in different fonts, specifically PT Sans and Consolas. Users noted that the appearance of character zero can vary, leading to difficulties in distinguishing it from the letter 'O'. This issue was initially raised in another forum, prompting further exploration of whether it is a feature or a problem. The conversation also mentions a shift to using the Monaco font for better character definition in coding. The overall sentiment reflects a mix of confusion and nostalgia for clearer typographic distinctions.
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lowercase letter oh, capital letter oh, character zero:
base(font=PT sans):
oO0
in quote tags (font=PT sans, italic):
oO0
in code=text tags (font=Consolas):
Code:
oO0

Note the difference in character zero. This confused me when I was trying to fix my post that needed code tags. The zeroes looked different. Some were character zero, some not. My keyboard was generating capital oh for zero. Or maybe I cannot type. Either way it was confusing. Someone on another forum pointed this problem out, and it answered my question.

I'm not sure if this is a feature or a problem.
 
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jim mcnamara said:
I'm not sure if this is a feature or a problem.
For better character definition we are moving the code font to Monaco in PF5
 
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Ah, the times when slashed zero was the only correct way of writing it in the code.
 
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I want to thank those members who interacted with me a couple of years ago in two Optics Forum threads. They were @Drakkith, @hutchphd, @Gleb1964, and @KAHR-Alpha. I had something I wanted the scientific community to know and slipped a new idea in against the rules. Thank you also to @berkeman for suggesting paths to meet with academia. Anyway, I finally got a paper on the same matter as discussed in those forum threads, the fat lens model, got it peer-reviewed, and IJRAP...
About 20 years ago, in my mid-30s (and with a BA in economics and a master's in business), I started taking night classes in physics hoping to eventually earn the science degree I'd always wanted but never pursued. I found physics forums and used it to ask questions I was unable to get answered from my textbooks or class lectures. Unfortunately, work and life got in the way and I never got further the freshman courses. Well, here it is 20 years later. I'm in my mid-50s now, and in a...

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