Hi Itaï, >>>>> [email protected] writes: > Whenever generating previews, I get error messages for essentially all > preview images, such as: > « Cannot find image file ‘.../_region_.prv/.../pr1-1.png’ »
> Then, one preview image (first one in document order, last one to be treated, > if I understood things correctly) fails to load, just get a big blank square. > Move the cursor a bit, and it loads as well. Particularly annoying if you > are just refreshing a single preview image and it fails to load. I often (always?) have simiar experiences. It seems that the attached patch works as a workaround. It is just a workaround, not a solution because it does not suppress errors like Cannot find image file ‘.../_region_.prv/.../pr1-1.png’ in *Messages* buffer at all. Another workaround is to type C-l after you get blank rectangle. > My diagnosis : in parsing the GS output, preview-gs-transact just > assumes that some prompts from GS mean that an image has been treated. > I **guess** the introduction of -dDELAYBIND could have added an extra > such prompt, so now it assumes the image is ready before it actually > is. emacs complains it cannot be found. Then when adding the next > image to its overlay, emacs realises that the previous image is there > now, and loads it, so in the end, it is only the last image to be > loaded that is missing, but error messages are displayed for all. I'm not sure whether -dDELAYBIND is relevant or not, but my guess is similar with you. This off-by-one behavior reminds me of a topic in https://lists.gnu.org/archive/html/bug-auctex/2019-10/msg00015.html : > Secondly, the file name on your command line is > "bbb.prv/tmp821SQO/pr1-2.png" but the one in the error is > "bbb.prv/tmp821SQO/pr1-1.png". So, clearly not the same file. It seems that there is a discrepancy between the sequence numbers which preview-latex expects and ghostscript actually produces. I.e., when preview-latex expects that gs has produced pr1-1.png, gs acutually produced nothing, when preview-latex expects that gs has produced pr1-2.png, gs acutually produced pr1-1.png, and so on. Unfortunately I don't understand the core of preview-latex, so I cannot solve this problem completely. Regards, Ikumi Keita
diff --git a/preview.el.in b/preview.el.in index 89b767ad..a402544f 100644 --- a/preview.el.in +++ b/preview.el.in @@ -662,6 +662,7 @@ and tries to restart Ghostscript if necessary." (substring (current-time-string) 0 -5)) (forward-char 1) (TeX-command-mode-line process) + (if (eq status 'exit) (force-mode-line-update t)) (when (memq status '(exit signal)) ;; process died. ;; Throw away culprit, go on.
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