This strip appeared in issue #204 of Linux (Pro) Magazine. It’s the second of a pair of strips, so if you haven’t seen it yet you might want to look at the previous one as well.

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↓ Transcript
[Panel 1: Elvie is talking to her sister, while her youngest niece, Effie, is playing in the pile of Unicode blocks that Elvie bought for her in the previous cartoon]

Sister: These Unicode blocks are a lovely gift -- but do you really think kids can learn all these characters?

Elvie: Oh, you'll be surprised what they pick up.

[Panel 2: Inside the house. Effie's sister, Jessica, has burst through the door to tell her aunt and her mother about what Effie's done]

Jessica: Mummy! Effie's just found a u+1f4a9!!!