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bug#39624: 26.3; Inserting text in a specified face


From: Stephen Berman
Subject: bug#39624: 26.3; Inserting text in a specified face
Date: Thu, 20 Feb 2020 18:52:07 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

The OP confirmed to me off-list that this bug can be closed, so I'm
doing so.

On Sun, 16 Feb 2020 00:24:49 +0100 Stephen Berman <address@hidden> wrote:

> On Sat, 15 Feb 2020 13:20:01 -0800 Greg Hill <address@hidden> wrote:
>
>> I'm just trying to figure out how to use the 'insert' function to insert
>> one string in the currently active buffer in a specific face like
>> 'custom-comment'). I'm sure it's easy to do, but I have spent
>> several hours searching through all the Info documentation and haven't
>> found a single clue.
>
> Here's one way:
>
> (insert (propertize "Test" 'face 'custom-comment))
>
> And here's how you might have found that in the documentation: If you
> look in the Elisp manual at the node Faces, it says: "One way to
> represent a face is as a property list of attributes", and if you look
> at the node Insertion, it says that most of the insertion functions
> "copy text characters from strings and buffers along with their
> properties".  So properties are a point of intersection between faces
> and insertion.  In the Elisp node Text Properties there is a menu that
> contains the entry Changing Properties with the description "Setting the
> properties of a range of text", which seems to be what you're looking
> for.  And indeed, the node Changing Properties describes the function
> propertize, saying it is "the easiest way to make a string with text
> properties".
>
> Steve Berman





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