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(Fbuffer_swap_text): Signal error if swapping a dead buffer.

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Chong Yidong 2008-12-09 23:08:05 +00:00
parent 9af886ee0f
commit dc9cc5743b
1 changed files with 3 additions and 0 deletions
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3
src/buffer.c
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@ -2192,6 +2192,9 @@ DEFUN ("buffer-swap-text", Fbuffer_swap_text, Sbuffer_swap_text,
CHECK_BUFFER (buffer);
other_buffer = XBUFFER (buffer);
if (NILP (other_buffer->name))
error ("Cannot swap a dead buffer's text");
/* Actually, it probably works just fine.
* if (other_buffer == current_buffer)
* error ("Cannot swap a buffer's text with itself"); */