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Currently Playing: Xah Ep719 new CSS units, lh cap ic. emacs xah css mode. typing chinese in emacs.

This video from the Xah Talk Show focuses on new CSS length units and their practical application. The host, Xah Lee, updates his CSS tutorial with these new units and demonstrates their usage and the challenges encountered during testing. Key topics covered include: Introduction to new CSS Length Units (0:40-1:50): lh (line height), cap (capital letters height), ic (Chinese character "water" width/height), and rcap, ric, and rlh. Demonstrating LH unit (3:31-10:24): Test the LH unit for font-size. He initially faces issues but later discovers a typo in "font-size" (8:17-8:20). Updating Emacs CSS Mode (10:30-15:20): update his Emacs CSS mode to recognize and highlight the newly introduced CSS units. Understanding IC unit and Chinese Input in Emacs (17:53-21:00): The video delves into the IC unit, which is based on the width/height of the Chinese character for "water." Xah Lee demonstrates how to type Chinese characters using emacs's own input method. Understanding cap unit (22:25-26:00): Xah Lee explains the cap unit, which represents the nominal height of capital letters. He clarifies the long-standing problem in CSS where font-size doesn't always accurately reflect the actual visual size of letters due to font design variations. Demonstrating Font Family Impact on Layout (1:00:29-1:02:50): The host demonstrates how changing font families can significantly alter the layout of a webpage, even when the font-size remains constant. Discovery of a Firefox Bug (37:50-40:50, 1:10:02-1:10:55): Xah Lee uncovers a potential bug in Firefox where specifying a font family like "Arial" without a generic fallback (e.g., sans-serif) results in Firefox defaulting to a serif font. This behavior is inconsistent with other browsers like Brave and is identified as a significant issue for web development. Discussion on Ergonomic Keyboards (1:05:15-1:08:41): Towards the end of the video, Xah Lee briefly discusses ergonomic keyboards, comparing the Ultimate Hacking Keyboard (UHK80) and the Glove 80. He emphasizes the importance of key switch lightness and notes the different layouts (slanted vs. ortholinear) of the two keyboards. code at http://xahlee.info/talk_show/xah_talk_show_ep719.html If browser says security error, that is because it auto changes URL from HTTP to HTTPS. It's a way to censor 22 million old websites. Remove the S in HTTPS. Or use brave browser or safari.