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From: | Gregory Heytings |
Subject: | bug#60711: Compose fails to generate ≤ and ≥ (only those two! and only in emacs!) |
Date: | Mon, 16 Jan 2023 09:41:25 +0000 |
You're right. I thought this was happening entirely inside Xlib, and indeed it requires some cooperation of the program. It seems that this cooperation is minimal, though: IIUC, the client should just immediately discard the events when XFilterEvent returns True, that is, until the composed character is delivered.How do you think ``the composed character is delivered''?
Like any other character, with a KeyPress event, but through XmbLookupString (its first occurrence in handle_one_xevent). AFAIU what happens is this:
Compose -> KeyPress event, keysym Multi_key, with XFilterEvent True _ -> KeyPress event, keysym underscore, with XFilterEvent True
-> KeyPress event, keysym greater, with XFilterEvent True
after which a KeyPress event, keysym U2265, with XFilterEvent False, and for which XmbLookupString returns "≥", is delivered to the client.
What am I missing?
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