[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Converting a string to valid XHTML id?
From: |
Lennart Borgman |
Subject: |
Re: Converting a string to valid XHTML id? |
Date: |
Thu, 2 Dec 2010 18:47:19 +0100 |
On Thu, Dec 2, 2010 at 4:50 PM, Lawrence Mitchell <address@hidden> wrote:
>
> Or use Davis' solution which works in a similar way, and as a
> bonus you can map back to the original id easily.
>
> Recall his solution:
>
> (defun org-newhtml-escape-id (str)
> "Return a valid xhtml id attribute string.
> See URL `http://xhtml.com/en/xhtml/reference/attribute-data-types/#id'."
> (replace-regexp-in-string
> "[^-.a-zA-Z0-9]" (lambda (c)
> (mapconcat (lambda (d) (format "_%02x" d))
> (string-as-unibyte c) "")) str))
>
> Notice that the output uses "_" which is a /valid/ char in an
> xhtml id. However, it is not considered valid in an input
> string.
>
> So (org-newhtml-escape-id "foo_5fbar") => foo_5f5fbar
> But (org-newhtml-escape-id "foo_bar") => foo_5fbar
>
> So notice that valid ids /without/ an underscore in them are left
> as is, but ids with an underscore are encoded under this scheme,
> so you can't generate a collision.
Ah, thanks, now I understand. I missed that detail.
- Re: Converting a string to valid XHTML id?, (continued)
Re: Converting a string to valid XHTML id?, Stefan Monnier, 2010/12/01
- Re: Converting a string to valid XHTML id?, Lennart Borgman, 2010/12/01
- Re: Converting a string to valid XHTML id?, Kevin Rodgers, 2010/12/01
- Re: Converting a string to valid XHTML id?, Lennart Borgman, 2010/12/01
- Re: Converting a string to valid XHTML id?, PJ Weisberg, 2010/12/01
- Re: Converting a string to valid XHTML id?, Lennart Borgman, 2010/12/02
- Re: Converting a string to valid XHTML id?, Lawrence Mitchell, 2010/12/02
- Re: Converting a string to valid XHTML id?,
Lennart Borgman <=