A peculiar bug in Safari

On weekend mornings, I have the inescapable habit of looking at my website and seeing what I can change, what I can remove, what I can improve in terms of HTML, CSS, layout, links, etc. This Saturday, as I wanted to look closer at the way the period at the end of a sentence rendered when appearing just after a word in italic (I know), I noticed something curious. When I zoomed in the page, using “Command – Plus Sign” (⌘+), I could see that the line length was changing with the size of the text. The bigger the text, the longer the line. You see, I’m very protective of the max-width I use on this site — 50ch — especially for Mac users, who see it in the Charter font.*1 This value sets an ideal number of characters for each line making it, when paired with the right line height, easier to read (supposedly). Zooming in on text shouldn’t change the line length, so I looked around and realised that I was a bit clueless when it comes to identifying bugs, and even checking if they were…