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* ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
@ 2021-01-11 15:32 Tim Visher
  2021-01-12  1:19 ` Kyle Meyer
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-01-11 15:32 UTC (permalink / raw)
  To: Emacs Org Mode mailing list

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Hi all,

I noticed over the weekend that the `<title>` tag in an ox-html document is
populated with HTML when inline formatting like bold or italics is used.
I'm running org 9.4.4 but even on HEAD
<https://code.orgmode.org/bzg/org-mode/src/9ea7ff5e2f8f9f280f8022cade62c1a3bba1478c/lisp/ox-html.el#L2092-L2111>
this
behavior seems to be the same where `(org-export-data title …)` is used to
populate the title rather than something that would render the title
textually.

My understanding from MDN
<https://developer.mozilla.org/en-US/docs/Web/HTML/Element/title> is that
`title` tags should never contain markup.

Is this something we'd take a patch for? My thought is that the title
should be converted using the text backend by default, perhaps with a
configuration variable that would let you specify a different one (for
instance markdown) but I wouldn't go that far at first. Of course at
minimum since org is textual it could just use the title without exporting
at all but I think that doesn't go far enough. The other possibility would
be to somehow strip all special characters from the title but I think that
goes much too far.

Thanks in advance!

--

In Christ,

Timmy V.

https://blog.twonegatives.com
http://five.sentenc.es

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* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-11 15:32 ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag Tim Visher
@ 2021-01-12  1:19 ` Kyle Meyer
  2021-01-12 14:51   ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Kyle Meyer @ 2021-01-12  1:19 UTC (permalink / raw)
  To: Tim Visher; +Cc: Emacs Org Mode mailing list

Tim Visher writes:

> Hi all,
>
> I noticed over the weekend that the `<title>` tag in an ox-html document is
> populated with HTML when inline formatting like bold or italics is used.
[...]
> Is this something we'd take a patch for?

Thanks for reporting.  Is this addressed by the in-progress series at
<https://orgmode.org/list/87o8hwpz34.fsf@gmail.com/>?


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-12  1:19 ` Kyle Meyer
@ 2021-01-12 14:51   ` Tim Visher
  2021-01-13  3:43     ` Kyle Meyer
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-01-12 14:51 UTC (permalink / raw)
  To: Kyle Meyer; +Cc: Emacs Org Mode mailing list

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On Mon, Jan 11, 2021 at 8:19 PM Kyle Meyer <kyle@kyleam.com> wrote:

> Tim Visher writes:
>
> > Hi all,
> >
> > I noticed over the weekend that the `<title>` tag in an ox-html document
> is
> > populated with HTML when inline formatting like bold or italics is used.
> [...]
> > Is this something we'd take a patch for?
>
> Thanks for reporting.  Is this addressed by the in-progress series at
> <https://orgmode.org/list/87o8hwpz34.fsf@gmail.com/>?
>

IIUC yes. I believe the following section of the diff should address it.

```
+  (let* ((title (org-html-plain-text
+ (org-element-interpret-data (plist-get info :title)) info))
+ ;; Set title to an invisible character instead of leaving it
+ ;; empty, which is invalid.
+ (title (if (org-string-nw-p title) title "&lrm;"))
```

If I'm reading the code correctly, `org-html-plain-text` is a specialized
form of converting org data into a plain text string with no markup. If I
have that correct then I believe you're right.

Is that your read as well?

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-12 14:51   ` Tim Visher
@ 2021-01-13  3:43     ` Kyle Meyer
  2021-01-13 15:26       ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Kyle Meyer @ 2021-01-13  3:43 UTC (permalink / raw)
  To: Tim Visher; +Cc: Emacs Org Mode mailing list

Tim Visher writes:

> On Mon, Jan 11, 2021 at 8:19 PM Kyle Meyer <kyle@kyleam.com> wrote:

>> Thanks for reporting.  Is this addressed by the in-progress series at
>> <https://orgmode.org/list/87o8hwpz34.fsf@gmail.com/>?
>>
>
> IIUC yes. I believe the following section of the diff should address it.
[...]
> If I'm reading the code correctly, `org-html-plain-text` is a specialized
> form of converting org data into a plain text string with no markup. If I
> have that correct then I believe you're right.
>
> Is that your read as well?

Yep.  And as a light test:

    #+title: a *b* c

exports

  <title>a *b* c</title>

rather than

  <title>a <b>b</b> c</title>


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-13  3:43     ` Kyle Meyer
@ 2021-01-13 15:26       ` Tim Visher
  2021-01-21  4:10         ` Kyle Meyer
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-01-13 15:26 UTC (permalink / raw)
  To: Kyle Meyer; +Cc: Emacs Org Mode mailing list

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On Tue, Jan 12, 2021 at 10:43 PM Kyle Meyer <kyle@kyleam.com> wrote:

> Tim Visher writes:
>
> > On Mon, Jan 11, 2021 at 8:19 PM Kyle Meyer <kyle@kyleam.com> wrote:
>
> >> Thanks for reporting.  Is this addressed by the in-progress series at
> >> <https://orgmode.org/list/87o8hwpz34.fsf@gmail.com/>?
> >>
> >
> > IIUC yes. I believe the following section of the diff should address it.
> [...]
> > If I'm reading the code correctly, `org-html-plain-text` is a specialized
> > form of converting org data into a plain text string with no markup. If I
> > have that correct then I believe you're right.
> >
> > Is that your read as well?
>
> Yep.  And as a light test:
>
>     #+title: a *b* c
>
> exports
>
>   <title>a *b* c</title>
>
> rather than
>
>   <title>a <b>b</b> c</title>
>

Nice! I don't know enough about `org-export` but FWIW the use case I have
is not to have an explicit `title` property but instead just the default
title of the heading contents. I assume that's all handled transparently by
the `(plist-get …` section.

Do you have any idea the timeline for getting that patch merged?

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* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-13 15:26       ` Tim Visher
@ 2021-01-21  4:10         ` Kyle Meyer
  2021-03-30 22:58           ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Kyle Meyer @ 2021-01-21  4:10 UTC (permalink / raw)
  To: Tim Visher; +Cc: Emacs Org Mode mailing list

Tim Visher writes:

> Nice! I don't know enough about `org-export` but FWIW the use case I have
> is not to have an explicit `title` property but instead just the default
> title of the heading contents. I assume that's all handled transparently by
> the `(plist-get …` section.
>
> Do you have any idea the timeline for getting that patch merged?

It's been applied to master (f4b9f9808).  Please report back if you
still encounter the problem in your use case.


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-01-21  4:10         ` Kyle Meyer
@ 2021-03-30 22:58           ` Tim Visher
  2021-04-11 15:11             ` Tim Visher
  2021-04-20  3:01             ` Kyle Meyer
  0 siblings, 2 replies; 18+ messages in thread
From: Tim Visher @ 2021-03-30 22:58 UTC (permalink / raw)
  To: Kyle Meyer; +Cc: Emacs Org Mode mailing list

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On Wed, Jan 20, 2021 at 11:10 PM Kyle Meyer <kyle@kyleam.com> wrote:

> Tim Visher writes:
>
> > Nice! I don't know enough about `org-export` but FWIW the use case I have
> > is not to have an explicit `title` property but instead just the default
> > title of the heading contents. I assume that's all handled transparently
> by
> > the `(plist-get …` section.
> >
> > Do you have any idea the timeline for getting that patch merged?
>
> It's been applied to master (f4b9f9808).  Please report back if you
> still encounter the problem in your use case.
>

I (finally) got around to testing this out. Initially I thought it had been
released in 9.4.5 but AFAICT that's not the case. Does org not get released
from `master`?

Anyway, we're a step further now in that the title appears to be set using
no markup, so that's 👍.

Unfortunately, the title now is essentially the exact text of the org
heading, which is awkward in terms of readability for a general audience
(and probably for SEO etc.). I know I said in my original message that I
think stripping all the markup characters would be going too far but now I
think I've come full circle and rendering the title as nothing but the
plain text without any markup information feels like the right solution
given what the title is supposed to convey.

So, would we be willing to accept a patch to that effect? :)

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-03-30 22:58           ` Tim Visher
@ 2021-04-11 15:11             ` Tim Visher
  2021-04-20  3:01             ` Kyle Meyer
  1 sibling, 0 replies; 18+ messages in thread
From: Tim Visher @ 2021-04-11 15:11 UTC (permalink / raw)
  To: Kyle Meyer; +Cc: Emacs Org Mode mailing list

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On Tue, Mar 30, 2021 at 6:58 PM Tim Visher <tim.visher@gmail.com> wrote:

> On Wed, Jan 20, 2021 at 11:10 PM Kyle Meyer <kyle@kyleam.com> wrote:
>
>> Tim Visher writes:
>>
>> > Nice! I don't know enough about `org-export` but FWIW the use case I
>> have
>> > is not to have an explicit `title` property but instead just the default
>> > title of the heading contents. I assume that's all handled
>> transparently by
>> > the `(plist-get …` section.
>> >
>> > Do you have any idea the timeline for getting that patch merged?
>>
>> It's been applied to master (f4b9f9808).  Please report back if you
>> still encounter the problem in your use case.
>>
>
> Unfortunately, the title now is essentially the exact text of the org
> heading, which is awkward in terms of readability for a general audience
> (and probably for SEO etc.). I know I said in my original message that I
> think stripping all the markup characters would be going too far but now I
> think I've come full circle and rendering the title as nothing but the
> plain text without any markup information feels like the right solution
> given what the title is supposed to convey.
>
> So, would we be willing to accept a patch to that effect? :)
>

Ping again on this. Any interest in a patch that would transform the
heading into only plaintext without any markup characters for use in the
<title> element?

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* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-03-30 22:58           ` Tim Visher
  2021-04-11 15:11             ` Tim Visher
@ 2021-04-20  3:01             ` Kyle Meyer
  2021-04-20  4:58               ` Jens Lechtenboerger
  1 sibling, 1 reply; 18+ messages in thread
From: Kyle Meyer @ 2021-04-20  3:01 UTC (permalink / raw)
  To: Tim Visher; +Cc: Emacs Org Mode mailing list

Tim Visher writes:

> On Wed, Jan 20, 2021 at 11:10 PM Kyle Meyer <kyle@kyleam.com> wrote:
>>
>> It's been applied to master (f4b9f9808).  Please report back if you
>> still encounter the problem in your use case.
>>
>
> I (finally) got around to testing this out. Initially I thought it had been
> released in 9.4.5 but AFAICT that's not the case. Does org not get released
> from `master`?

For version X.Y.Z, Z ticks happen from maint.

> Unfortunately, the title now is essentially the exact text of the org
> heading, which is awkward in terms of readability for a general audience
> (and probably for SEO etc.). I know I said in my original message that I
> think stripping all the markup characters would be going too far but now I
> think I've come full circle and rendering the title as nothing but the
> plain text without any markup information feels like the right solution
> given what the title is supposed to convey.
>
> So, would we be willing to accept a patch to that effect? :)

I don't have an informed opinion about the above, but providing a patch
might prompt those that do (including TEC, the author of the above
commit, as well as Jens, who provided reviews) to give their input.


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-20  3:01             ` Kyle Meyer
@ 2021-04-20  4:58               ` Jens Lechtenboerger
  2021-04-20 21:29                 ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Jens Lechtenboerger @ 2021-04-20  4:58 UTC (permalink / raw)
  To: Kyle Meyer; +Cc: Emacs Org Mode mailing list, Tim Visher

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On 2021-04-19, Kyle Meyer wrote:

> Tim Visher writes:
>
>> Unfortunately, the title now is essentially the exact text of the org
>> heading, which is awkward in terms of readability for a general audience
>> (and probably for SEO etc.). I know I said in my original message that I
>> think stripping all the markup characters would be going too far but now I
>> think I've come full circle and rendering the title as nothing but the
>> plain text without any markup information feels like the right solution
>> given what the title is supposed to convey.
>>
>> So, would we be willing to accept a patch to that effect? :)
>
> I don't have an informed opinion about the above, but providing a patch
> might prompt those that do (including TEC, the author of the above
> commit, as well as Jens, who provided reviews) to give their input.

The following is not a strong opinion: The author writes “what the
title is supposed to convey”.  If there is *emphasis*, why not
export that as ASCII markup to HTML?

With an additional option, authors could choose.

Best wishes
Jens

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* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-20  4:58               ` Jens Lechtenboerger
@ 2021-04-20 21:29                 ` Tim Visher
  2021-04-21  5:21                   ` Jens Lechtenboerger
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-04-20 21:29 UTC (permalink / raw)
  To: Kyle Meyer, Tim Visher, Emacs Org Mode mailing list

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Thanks so much for getting back to me, Jens.

On Tue, Apr 20, 2021 at 12:59 AM Jens Lechtenboerger <
jens.lechtenboerger@wi.uni-muenster.de> wrote:

> On 2021-04-19, Kyle Meyer wrote:
>
> > Tim Visher writes:
> >
> >> Unfortunately, the title now is essentially the exact text of the org
> >> heading, which is awkward in terms of readability for a general audience
> >> (and probably for SEO etc.). I know I said in my original message that I
> >> think stripping all the markup characters would be going too far but
> now I
> >> think I've come full circle and rendering the title as nothing but the
> >> plain text without any markup information feels like the right solution
> >> given what the title is supposed to convey.
> >>
> >> So, would we be willing to accept a patch to that effect? :)
> >
> > I don't have an informed opinion about the above, but providing a patch
> > might prompt those that do (including TEC, the author of the above
> > commit, as well as Jens, who provided reviews) to give their input.
>
> The following is not a strong opinion: The author writes “what the
> title is supposed to convey”.  If there is *emphasis*, why not
> export that as ASCII markup to HTML?
>
> With an additional option, authors could choose.
>

I guess I don't have a super strong opinion here either. Ironically, coming
from someone who spends a significant portion of their day reading raw
org/markdown documents with no problem, something about even the ASCII
style markup in the title looks wrong to me. I don't do SEO and
nothing in MDN's
article <https://developer.mozilla.org/en-US/docs/Web/HTML/Element/title>
indicates
that non word characters have a negative affect anyway but it just looks
strange to my eyes.

I guess regardless it sounds like if I were to go to the trouble of making
a patch for this it would be good to make sure that it was behind an option
and probably defaulting to the current HEAD behavior of including the ASCII
markup with an option to strip the non-word characters from it.

--

In Christ,

Timmy V.

https://blog.twonegatives.com
http://five.sentenc.es

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* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-20 21:29                 ` Tim Visher
@ 2021-04-21  5:21                   ` Jens Lechtenboerger
  2021-04-21  6:39                     ` Dr. Arne Babenhauserheide
  0 siblings, 1 reply; 18+ messages in thread
From: Jens Lechtenboerger @ 2021-04-21  5:21 UTC (permalink / raw)
  To: Tim Visher; +Cc: Kyle Meyer, Emacs Org Mode mailing list

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On 2021-04-20, Tim Visher wrote:

> I guess regardless it sounds like if I were to go to the trouble of making
> a patch for this it would be good to make sure that it was behind an option
> and probably defaulting to the current HEAD behavior of including the ASCII
> markup with an option to strip the non-word characters from it.

That would be great.

Best wishes
Jens

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-21  5:21                   ` Jens Lechtenboerger
@ 2021-04-21  6:39                     ` Dr. Arne Babenhauserheide
  2021-04-21 15:05                       ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Dr. Arne Babenhauserheide @ 2021-04-21  6:39 UTC (permalink / raw)
  To: Jens Lechtenboerger; +Cc: emacs-orgmode, Kyle Meyer, Tim Visher

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Jens Lechtenboerger <lechten@wi.uni-muenster.de> writes:

> On 2021-04-20, Tim Visher wrote:
>
>> I guess regardless it sounds like if I were to go to the trouble of making
>> a patch for this it would be good to make sure that it was behind an option
>> and probably defaulting to the current HEAD behavior of including the ASCII
>> markup with an option to strip the non-word characters from it.
>
> That would be great.

It is something that could also benefit the LaTeX export. Having special
characters in the pdftitle can make the export fail, but those
characters (like @@latex:\something@@) can make the latex-compilation fail.

Best wishes,
Arne
-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-21  6:39                     ` Dr. Arne Babenhauserheide
@ 2021-04-21 15:05                       ` Tim Visher
  2021-04-22 13:52                         ` Nicolas Goaziou
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-04-21 15:05 UTC (permalink / raw)
  To: Dr. Arne Babenhauserheide
  Cc: Jens Lechtenboerger, Kyle Meyer, Emacs Org Mode mailing list

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On Wed, Apr 21, 2021 at 2:39 AM Dr. Arne Babenhauserheide <arne_bab@web.de>
wrote:

>
> Jens Lechtenboerger <lechten@wi.uni-muenster.de> writes:
>
> > On 2021-04-20, Tim Visher wrote:
> >
> >> I guess regardless it sounds like if I were to go to the trouble of
> making
> >> a patch for this it would be good to make sure that it was behind an
> option
> >> and probably defaulting to the current HEAD behavior of including the
> ASCII
> >> markup with an option to strip the non-word characters from it.
> >
> > That would be great.
>
> It is something that could also benefit the LaTeX export. Having special
> characters in the pdftitle can make the export fail, but those
> characters (like @@latex:\something@@) can make the latex-compilation
> fail.


Awesome. Do you know whether there's an official way to share this sort of
behavior between ox backends or is it just creating a function and calling
it from both places or something?

--

In Christ,

Timmy V.

https://blog.twonegatives.com
http://five.sentenc.es

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-21 15:05                       ` Tim Visher
@ 2021-04-22 13:52                         ` Nicolas Goaziou
  2021-04-22 14:08                           ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Nicolas Goaziou @ 2021-04-22 13:52 UTC (permalink / raw)
  To: Tim Visher
  Cc: Jens Lechtenboerger, Dr. Arne Babenhauserheide,
	Emacs Org Mode mailing list, Kyle Meyer

Hello,

Tim Visher <tim.visher@gmail.com> writes:

> Awesome. Do you know whether there's an official way to share this sort of
> behavior between ox backends or is it just creating a function and calling
> it from both places or something?

Do you want to remove all markup from some parsed text?

You could define temporary export back-end with
`org-export-create-backend', and apply it with
`org-export-data-with-backend'. See for example, how
`org-latex-headline' formats headings (`text' binding in the function).

If that's the case, you need to know exactly what you want. It is pretty
obvious for bold markup, but what would happen to, e.g., a_b or \alpha
or <<target>>?

HTH,
-- 
Nicolas Goaziou


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-22 13:52                         ` Nicolas Goaziou
@ 2021-04-22 14:08                           ` Tim Visher
  2021-04-22 15:36                             ` Nicolas Goaziou
  0 siblings, 1 reply; 18+ messages in thread
From: Tim Visher @ 2021-04-22 14:08 UTC (permalink / raw)
  To: mail
  Cc: Jens Lechtenboerger, Dr. Arne Babenhauserheide,
	Emacs Org Mode mailing list, Kyle Meyer

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On Thu, Apr 22, 2021 at 9:52 AM Nicolas Goaziou <mail@nicolasgoaziou.fr>
wrote:

> Tim Visher <tim.visher@gmail.com> writes:
>
> > Awesome. Do you know whether there's an official way to share this sort
> of
> > behavior between ox backends or is it just creating a function and
> calling
> > it from both places or something?
>
> Do you want to remove all markup from some parsed text?
>
> You could define temporary export back-end with
> `org-export-create-backend', and apply it with
> `org-export-data-with-backend'. See for example, how
> `org-latex-headline' formats headings (`text' binding in the function).
>
> If that's the case, you need to know exactly what you want. It is pretty
> obvious for bold markup, but what would happen to, e.g., a_b or \alpha
> or <<target>>?
>

Thanks for the tip. What I'm thinking more is somehow getting the heading
pre-output generation, stripping any characters that `org` would consider
special (I'm hoping there's already a function that can at least mark
'markup' text in a given org string), and _then_ passing it to whatever ox
function is responsible for using the title. That way it's as generic as it
can possibly be.

I confess though that I don't follow exactly what you're talking about
defining a temporary export back-end. Why would that be necessary or
beneficial to the end of teaching org how to use only the 'plain text' of a
heading for the title in N ox backends?

--

In Christ,

Timmy V.

https://blog.twonegatives.com
http://five.sentenc.es

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^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-22 14:08                           ` Tim Visher
@ 2021-04-22 15:36                             ` Nicolas Goaziou
  2021-04-22 17:34                               ` Tim Visher
  0 siblings, 1 reply; 18+ messages in thread
From: Nicolas Goaziou @ 2021-04-22 15:36 UTC (permalink / raw)
  To: Tim Visher
  Cc: Jens Lechtenboerger, Dr. Arne Babenhauserheide,
	Emacs Org Mode mailing list, Kyle Meyer

Tim Visher <tim.visher@gmail.com> writes:

> Thanks for the tip. What I'm thinking more is somehow getting the heading
> pre-output generation, stripping any characters that `org` would consider
> special (I'm hoping there's already a function that can at least mark
> 'markup' text in a given org string), and _then_ passing it to whatever ox
> function is responsible for using the title. That way it's as generic as it
> can possibly be.

What format has "heading pre-output generation"? Is a string or is it
parsed data? The first part of your paragraph sounds like you want to
rewrite an Org parser.

How do you pass it to ox function responsible for using the title? I.e.,
who/what is responsible for making the change to the title? Is it the
user?

You may need to clarify your specifications.

> I confess though that I don't follow exactly what you're talking about
> defining a temporary export back-end.

In `org-html--build-meta-info' from "ox-html.el", replace the following

  (org-html-plain-text
   (org-element-interpret-data (plist-get info :title)) info)

with

  (org-export-data-with-backend (plist-get info :title)
                                (org-export-create-backend
                                 :transcoders
                                 '((bold . (lambda (_ c _) c))
                                   (italic . (lambda (_ c _) c))))
                                info)

Now re-evaluate the function `org-html--build-meta-info' and try
exporting a document to HTML with a title containing bold and italic
syntax, even nested, e.g.

  #+title: /Some *bold* text/

> Why would that be necessary or beneficial to the end of teaching org
> how to use only the 'plain text' of a heading for the title in N ox
> backends?

Adding the function `org-export-strip-syntax below to "ox.el"

  (defun org-export-strip-syntax (data info)
    (org-export-data-with-backend data
                                  (org-export-create-backend
                                   :transcoders
                                   '((bold . (lambda (_ c _) c))
                                     (italic . (lambda (_ c _) c))))
                                  info))

you can now call it from any export back-end whenever its needs to
remove syntax from a piece of code.

You can also drop the info argument and add it to "org-element.el". But
it depends on what you want to obtain. Also, some syntax is not obvious
to strip, as I suggested in my previous message.

Regards,


^ permalink raw reply	[flat|nested] 18+ messages in thread

* Re: ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag
  2021-04-22 15:36                             ` Nicolas Goaziou
@ 2021-04-22 17:34                               ` Tim Visher
  0 siblings, 0 replies; 18+ messages in thread
From: Tim Visher @ 2021-04-22 17:34 UTC (permalink / raw)
  To: Tim Visher, Jens Lechtenboerger, Dr. Arne Babenhauserheide,
	Emacs Org Mode mailing list, Kyle Meyer

[-- Attachment #1: Type: text/plain, Size: 2785 bytes --]

On Thu, Apr 22, 2021 at 11:36 AM Nicolas Goaziou <mail@nicolasgoaziou.fr>
wrote:

> Tim Visher <tim.visher@gmail.com> writes:
>
> > Thanks for the tip. What I'm thinking more is somehow getting the heading
> > pre-output generation, stripping any characters that `org` would consider
> > special (I'm hoping there's already a function that can at least mark
> > 'markup' text in a given org string), and _then_ passing it to whatever
> ox
> > function is responsible for using the title. That way it's as generic as
> it
> > can possibly be.
>
> What format has "heading pre-output generation"? Is a string or is it
> parsed data? The first part of your paragraph sounds like you want to
> rewrite an Org parser.
>
> How do you pass it to ox function responsible for using the title? I.e.,
> who/what is responsible for making the change to the title? Is it the
> user?
>
> You may need to clarify your specifications.
>
> > I confess though that I don't follow exactly what you're talking about
> > defining a temporary export back-end.
>
> In `org-html--build-meta-info' from "ox-html.el", replace the following
>
>   (org-html-plain-text
>    (org-element-interpret-data (plist-get info :title)) info)
>
> with
>
>   (org-export-data-with-backend (plist-get info :title)
>                                 (org-export-create-backend
>                                  :transcoders
>                                  '((bold . (lambda (_ c _) c))
>                                    (italic . (lambda (_ c _) c))))
>                                 info)
>
> Now re-evaluate the function `org-html--build-meta-info' and try
> exporting a document to HTML with a title containing bold and italic
> syntax, even nested, e.g.
>
>   #+title: /Some *bold* text/
>
> > Why would that be necessary or beneficial to the end of teaching org
> > how to use only the 'plain text' of a heading for the title in N ox
> > backends?
>
> Adding the function `org-export-strip-syntax below to "ox.el"
>
>   (defun org-export-strip-syntax (data info)
>     (org-export-data-with-backend data
>                                   (org-export-create-backend
>                                    :transcoders
>                                    '((bold . (lambda (_ c _) c))
>                                      (italic . (lambda (_ c _) c))))
>                                   info))
>
> you can now call it from any export back-end whenever its needs to
> remove syntax from a piece of code.
>
> You can also drop the info argument and add it to "org-element.el". But
> it depends on what you want to obtain. Also, some syntax is not obvious
> to strip, as I suggested in my previous message.
>

Awesome! This is a ton of great info. If I decide to bite this off I'll be
sure to reference this. :)

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^ permalink raw reply	[flat|nested] 18+ messages in thread

end of thread, other threads:[~2021-04-22 17:36 UTC | newest]

Thread overview: 18+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-01-11 15:32 ox-html Incorrectly (?) Puts HTML Into the `<title>` Tag Tim Visher
2021-01-12  1:19 ` Kyle Meyer
2021-01-12 14:51   ` Tim Visher
2021-01-13  3:43     ` Kyle Meyer
2021-01-13 15:26       ` Tim Visher
2021-01-21  4:10         ` Kyle Meyer
2021-03-30 22:58           ` Tim Visher
2021-04-11 15:11             ` Tim Visher
2021-04-20  3:01             ` Kyle Meyer
2021-04-20  4:58               ` Jens Lechtenboerger
2021-04-20 21:29                 ` Tim Visher
2021-04-21  5:21                   ` Jens Lechtenboerger
2021-04-21  6:39                     ` Dr. Arne Babenhauserheide
2021-04-21 15:05                       ` Tim Visher
2021-04-22 13:52                         ` Nicolas Goaziou
2021-04-22 14:08                           ` Tim Visher
2021-04-22 15:36                             ` Nicolas Goaziou
2021-04-22 17:34                               ` Tim Visher

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