* Font locking #|...|# block in lisp mode?
@ 2010-10-25 15:13 Leo
2010-10-25 19:38 ` Stefan Monnier
2010-10-25 19:42 ` Sam Steingold
0 siblings, 2 replies; 8+ messages in thread
From: Leo @ 2010-10-25 15:13 UTC (permalink / raw
To: emacs-devel
Hello all,
Common Lisp can use #| and |# to comment a block however its font
locking is usually wrong in Emacs. I wonder if this can be improved?
Thanks.
Leo
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-25 15:13 Font locking #|...|# block in lisp mode? Leo
@ 2010-10-25 19:38 ` Stefan Monnier
2010-10-25 19:42 ` Sam Steingold
1 sibling, 0 replies; 8+ messages in thread
From: Stefan Monnier @ 2010-10-25 19:38 UTC (permalink / raw
To: Leo; +Cc: emacs-devel
> Common Lisp can use #| and |# to comment a block however its font
> locking is usually wrong in Emacs. I wonder if this can be improved?
Don't know: works for me, so I'm not sure what case needs to
be improved.
Stefan
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-25 15:13 Font locking #|...|# block in lisp mode? Leo
2010-10-25 19:38 ` Stefan Monnier
@ 2010-10-25 19:42 ` Sam Steingold
2010-10-26 3:24 ` Leo
1 sibling, 1 reply; 8+ messages in thread
From: Sam Steingold @ 2010-10-25 19:42 UTC (permalink / raw
To: Leo; +Cc: emacs-devel
Leo wrote:
> Common Lisp can use #| and |# to comment a block however its font
> locking is usually wrong in Emacs. I wonder if this can be improved?
emacs uses the heuristic that "^(" starts a function.
this mean that a paren in column one which does not start a function will mess
emacs us.
you can add a space before it in comment or backslash in doc string:
(defun f ()
"Doc which contains parens.
\(backslash disappears in the reader but saves emacs)"
code...)
#| add a space before "(defun" to help emacs
(defun f ())
#|
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-25 19:42 ` Sam Steingold
@ 2010-10-26 3:24 ` Leo
2010-10-26 4:06 ` Stefan Monnier
0 siblings, 1 reply; 8+ messages in thread
From: Leo @ 2010-10-26 3:24 UTC (permalink / raw
To: Emacs Devel
[-- Attachment #1: Type: text/plain, Size: 836 bytes --]
On 2010-10-26 03:42 +0800, Sam Steingold wrote:
> emacs uses the heuristic that "^(" starts a function.
> this mean that a paren in column one which does not start a function
> will mess emacs us.
> you can add a space before it in comment or backslash in doc string:
>
> (defun f ()
> "Doc which contains parens.
> \(backslash disappears in the reader but saves emacs)"
> code...)
>
> #| add a space before "(defun" to help emacs
> (defun f ())
> #|
On 2010-10-26 03:38 +0800, Stefan Monnier wrote:
> Don't know: works for me, so I'm not sure what case needs to
> be improved.
>
>
> Stefan
From time to time I have seen code inside #| |# not shown in a comment
face, unfortunately the font locking seems random to me i.e. sometimes
the block is properly font locked after deleting or re-opening the file.
For example:
[-- Attachment #2: emacs-comment.png --]
[-- Type: image/png, Size: 27368 bytes --]
[-- Attachment #3: Type: text/plain, Size: 108 bytes --]
I can get |# to be highlighted in a normal face by deleting or inserting
a blank line in front of it.
Leo
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-26 3:24 ` Leo
@ 2010-10-26 4:06 ` Stefan Monnier
2010-10-27 1:29 ` Leo
0 siblings, 1 reply; 8+ messages in thread
From: Stefan Monnier @ 2010-10-26 4:06 UTC (permalink / raw
To: Leo; +Cc: Emacs Devel
> From time to time I have seen code inside #| |# not shown in a comment
> face, unfortunately the font locking seems random to me i.e. sometimes
> the block is properly font locked after deleting or re-opening the file.
> For example:
[... Example with open parens highlighted in font-lock-warning face ...]
> I can get |# to be highlighted in a normal face by deleting or inserting
> a blank line in front of it.
Every wondered why those open parens are highlighted in
font-lock-warning face?
Stefan
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-26 4:06 ` Stefan Monnier
@ 2010-10-27 1:29 ` Leo
2010-11-08 19:23 ` Stefan Monnier
0 siblings, 1 reply; 8+ messages in thread
From: Leo @ 2010-10-27 1:29 UTC (permalink / raw
To: emacs-devel
On 2010-10-26 12:06 +0800, Stefan Monnier wrote:
> Every wondered why those open parens are highlighted in
> font-lock-warning face?
I tend to ignore them but it'd be great to get rid of them.
Leo
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-10-27 1:29 ` Leo
@ 2010-11-08 19:23 ` Stefan Monnier
2010-11-09 11:48 ` Leo
0 siblings, 1 reply; 8+ messages in thread
From: Stefan Monnier @ 2010-11-08 19:23 UTC (permalink / raw
To: Leo; +Cc: emacs-devel
>> Every wondered why those open parens are highlighted in
>> font-lock-warning face?
> I tend to ignore them but it'd be great to get rid of them.
Easy: put a backslash in front the of open paren. Or did you mean
something else?
Stefan
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Font locking #|...|# block in lisp mode?
2010-11-08 19:23 ` Stefan Monnier
@ 2010-11-09 11:48 ` Leo
0 siblings, 0 replies; 8+ messages in thread
From: Leo @ 2010-11-09 11:48 UTC (permalink / raw
To: Stefan Monnier; +Cc: emacs-devel
On 2010-11-09 03:23 +0800, Stefan Monnier wrote:
>>> Every wondered why those open parens are highlighted in
>>> font-lock-warning face?
>> I tend to ignore them but it'd be great to get rid of them.
>
> Easy: put a backslash in front the of open paren. Or did you mean
> something else?
>
>
> Stefan
I meant without having to insert \.
Leo
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2010-11-09 11:48 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-10-25 15:13 Font locking #|...|# block in lisp mode? Leo
2010-10-25 19:38 ` Stefan Monnier
2010-10-25 19:42 ` Sam Steingold
2010-10-26 3:24 ` Leo
2010-10-26 4:06 ` Stefan Monnier
2010-10-27 1:29 ` Leo
2010-11-08 19:23 ` Stefan Monnier
2010-11-09 11:48 ` Leo
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