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bug#24176: Acknowledgement (Confusing interaction between define-derived
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From: |
Clément Pit--Claudel |
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Subject: |
bug#24176: Acknowledgement (Confusing interaction between define-derived-mode and font-lock-add-keywords) |
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Date: |
Sun, 7 Aug 2016 02:57:19 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
Sorry, the original report had a confusing example; here is a fixed copy.
(define-derived-mode ~/a fundamental-mode "~/a"
(font-lock-add-keywords nil `(("a" 0 'font-lock-keyword-face))))
(define-derived-mode ~/b ~/a "~/b"
(font-lock-add-keywords nil `(("b" 0 'font-lock-builtin-face))))
(define-derived-mode ~/c ~/b "~/c"
(font-lock-add-keywords nil `(("c" 0 'font-lock-constant-face))))
Explicitly calling (setq font-lock-major-mode major-mode) before calling
font-lock-add-keywords yields the expected behaviour.
Clément.
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