* ESC 4 causes part of file to be missing from buffer
@ 2005-04-28 15:38 Joe Fineman
2005-04-28 19:04 ` Kevin Rodgers
0 siblings, 1 reply; 2+ messages in thread
From: Joe Fineman @ 2005-04-28 15:38 UTC (permalink / raw)
I am using Emacs 21.3.1 under Windows.
When I visit a file that contains the sequence ESC 4, I find that the
resulting buffer is missing all the text from there up till the next
ESC (or till the end, if there is no such ESC). I have determined
that the text is not merely missing from the display, but from the
buffer itself. On the other hand, the file itself seems not to be
corrupted: if I view it using cat in the Cygwin shell, it is still
all there. The buffer is not marked as modified.
Is this a feature that I can turn off, or is it a bug?
--
--- Joe Fineman joe_f@verizon.net
||: Blessed are they who expect nothing, for surely they shall :||
||: not be disappointed. :||
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: ESC 4 causes part of file to be missing from buffer
2005-04-28 15:38 ESC 4 causes part of file to be missing from buffer Joe Fineman
@ 2005-04-28 19:04 ` Kevin Rodgers
0 siblings, 0 replies; 2+ messages in thread
From: Kevin Rodgers @ 2005-04-28 19:04 UTC (permalink / raw)
Joe Fineman wrote:
> I am using Emacs 21.3.1 under Windows.
>
> When I visit a file that contains the sequence ESC 4, I find that the
> resulting buffer is missing all the text from there up till the next
> ESC (or till the end, if there is no such ESC). I have determined
> that the text is not merely missing from the display, but from the
> buffer itself. On the other hand, the file itself seems not to be
> corrupted: if I view it using cat in the Cygwin shell, it is still
> all there. The buffer is not marked as modified.
>
> Is this a feature that I can turn off, or is it a bug?
It's a feature. Notice the "-J" at the very beginning of the mode line:
that indicates the buffer's coding system. Then `C-h C RET' or
`M-x describe-coding-system RET' explains:
Coding system for saving this buffer:
J -- iso-2022-7bit-unix
...
You can used `M-x find-file-literally' or `C-x RET c raw-text RET C-x
C-v' or `C-x RET c binary RET C-x C-v' to see the text as-is. You can
prevent this particular coding system from ever being automatically
detected with (setq inhibit-iso-escape-detection t) in your .emacs file.
See the "Coding Systems ==============" and "Recognizing Coding Systems
==========================" nodes of the
Emacs manual for much more information.
--
Kevin Rodgers
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