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Re: changing precedence in font-lock-add-keywords


From: Dieter Wilhelm
Subject: Re: changing precedence in font-lock-add-keywords
Date: Fri, 24 Nov 2006 22:22:32 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

"sandro.dentella" <address@hidden> writes:

> Hi,
>
>   i'm trying to customize a mode for cheetah templating system, it is
> derived from html-mode and seems pretty simple:
>
> (define-derived-mode cheetah-mode html-mode "Cheetah"
>   (make-face 'cheetah-variable-face)
>   (font-lock-add-keywords
>    nil
>    '(
>      ("\\(#\\(end \\)?\\(include.*\\|block.*\\|import\\|load\\)\\)" 1
> font-lock-builtin-face)
>      ("\\(##.*\\)" 1 font-lock-comment-face)
>      ("\\(#\\*.*\\*#\\)" 1 font-lock-comment-face)
>      ("\\(#\\(from\\|else\\|set\\|import\\|for\\|if\\|end\\)+\\)\\>" 1
> font-lock-keyword-face)
>      ("\\(<%.*%>\\)" 1 font-lock-keyword-face)
> ;;
> ("\\(#\\(from\\|for\\|end\\)\\).*\\<\\(for\\|import\\|if\\|in\\)\\>" 3
> font-lock-keyword-face)
>      ("\\(\\$\\(?:\\sw\\|}\\|{\\|\\s_\\)+\\)" 1
> font-lock-variable-name-face)
>    ))
>   (font-lock-mode 1)
>   )
>
> what I'd like to optain is that the regexp defined here take precedence
> over those defined in html-mode. As an example the line with <% %> gets
> colored as it would in html but i'd like it to show as a keyword.

I think

    ("\\(<%.*%>\\)" 1 font-lock-keyword-face append)

should do the trick already.    

-- 
    Best wishes

    H. Dieter Wilhelm
    Darmstadt, Germany




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