* nXML highlighting problem
@ 2019-09-24 18:17 Allin Cottrell
2019-09-24 20:17 ` Stefan Monnier
0 siblings, 1 reply; 5+ messages in thread
From: Allin Cottrell @ 2019-09-24 18:17 UTC (permalink / raw
To: help-gnu-emacs
I'm using GNU Emacs 26.3 and current nxml on Arch Linux. A fairly
recent update (sorry, can't date it exactly) has brought a change in
highlighting behavior which I'd very much like to revert.
Namely, it seems that a plain apostrophe in XML text is now being
treated as a delimiter that calls for a change of face. So after the
first (single, possessive) apostrophe in the text the rest of the
document is shown in "within delimiters" mode.
I'd be grateful if anyone can tell me how to stop this from happening.
I've done C-h M but I couldn't find an answer there.
--
Allin Cottrell
Department of Economics
Wake Forest University, NC
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: nXML highlighting problem
2019-09-24 18:17 nXML highlighting problem Allin Cottrell
@ 2019-09-24 20:17 ` Stefan Monnier
0 siblings, 0 replies; 5+ messages in thread
From: Stefan Monnier @ 2019-09-24 20:17 UTC (permalink / raw
To: help-gnu-emacs
> I'm using GNU Emacs 26.3 and current nxml on Arch Linux. A fairly
> recent update (sorry, can't date it exactly) has brought a change in
> highlighting behavior which I'd very much like to revert.
>
> Namely, it seems that a plain apostrophe in XML text is now being
> treated as a delimiter that calls for a change of face. So after the
> first (single, possessive) apostrophe in the text the rest of the
> document is shown in "within delimiters" mode.
That would be a bug, so please report it as such.
Stefan
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: nXML highlighting problem
@ 2019-09-25 18:31 Allin Cottrell
2019-09-25 18:54 ` Yuri Khan
0 siblings, 1 reply; 5+ messages in thread
From: Allin Cottrell @ 2019-09-25 18:31 UTC (permalink / raw
To: help-gnu-emacs
Ah, when I went to construct a minimal test case I realized things are
not quite as I stated in
https://lists.gnu.org/archive/html/help-gnu-emacs/2019-09/msg00157.html
The XML text is shown in "within delimiters" mode not after the very
first apostrophe but after the first apostrophe following an error in
my XML, namely forgetting to escape the "greater than" sign in an
embedded TeX fragment, $k>0$.
Somehow emacs 26.2 took that error in stride, while it chokes emacs
26.3. But not a bug, I guess. The only reason it took me a while to
spot my error is that the signs of malaise from emacs 26.3 didn't
appear until the next apostrophe came along.
Anyway, in case it's of any interest here's a minimal example:
<?xml version="1.0"?>
<p>Here's some TeX: $k>0$ (oops!). And here's what the text that
comes afterward looks like.</p>
--
Allin Cottrell
Department of Economics
Wake Forest University, NC
^ permalink raw reply [flat|nested] 5+ messages in thread
* nXML highlighting problem
2019-09-25 18:31 Allin Cottrell
@ 2019-09-25 18:54 ` Yuri Khan
2019-09-26 2:26 ` Allin Cottrell
0 siblings, 1 reply; 5+ messages in thread
From: Yuri Khan @ 2019-09-25 18:54 UTC (permalink / raw
To: Allin Cottrell; +Cc: help-gnu-emacs
On Thu, Sep 26, 2019, 01:32 Allin Cottrell <cottrell@wfu.edu> wrote:
> The XML text is shown in "within delimiters" mode not after the very
> first apostrophe but after the first apostrophe following an error in
> my XML, namely forgetting to escape the "greater than" sign in an
> embedded TeX fragment, $k>0$.
>
> Somehow emacs 26.2 took that error in stride, while it chokes emacs
> 26.3. But not a bug, I guess.
Unescaped greater-than is well-formed in XML. The only case where it MUST
be escaped is when representing a ]]> sequence inside a <!…[…[…]]>.
> <?xml version="1.0"?>
>
> <p>Here's some TeX: $k>0$ (oops!). And here's what the text that
> comes afterward looks like.</p>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: nXML highlighting problem
2019-09-25 18:54 ` Yuri Khan
@ 2019-09-26 2:26 ` Allin Cottrell
0 siblings, 0 replies; 5+ messages in thread
From: Allin Cottrell @ 2019-09-26 2:26 UTC (permalink / raw
To: Yuri Khan; +Cc: help-gnu-emacs
On Thu, 26 Sep 2019, Yuri Khan wrote:
> On Thu, Sep 26, 2019, 01:32 Allin Cottrell <cottrell@wfu.edu> wrote:
>
>> The XML text is shown in "within delimiters" mode not after the very
>> first apostrophe but after the first apostrophe following an error in
>> my XML, namely forgetting to escape the "greater than" sign in an
>> embedded TeX fragment, $k>0$.
>>
>> Somehow emacs 26.2 took that error in stride, while it chokes emacs
>> 26.3. But not a bug, I guess.
>
> Unescaped greater-than is well-formed in XML. The only case where it MUST
> be escaped is when representing a ]]> sequence inside a <!…[…[…]]>.
OK, so the behavior I'm seeing does seem to be a bug in 26.3. I'll
submit a report.
--
Allin Cottrell
Department of Economics
Wake Forest University
^ permalink raw reply [flat|nested] 5+ messages in thread
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2019-09-24 18:17 nXML highlighting problem Allin Cottrell
2019-09-24 20:17 ` Stefan Monnier
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2019-09-25 18:31 Allin Cottrell
2019-09-25 18:54 ` Yuri Khan
2019-09-26 2:26 ` Allin Cottrell
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