Re: [patch] ox.latex.el: Add missing character warnings

["Juan Manuel Macías" <maciaschain@posteo.net>]

[-- Attachment #1: Type: text/plain, Size: 1089 bytes --]

Ihor Radchenko writes:

> Probably something to do with my Texlive technically having Chinese
> support.
>
> I am getting
>
> ! Package inputenc Error: Unicode character 你 (U+4F60)
> (inputenc)                not set up for use with LaTeX.
>
> See the inputenc package documentation for explanation.
> Type  H <return>  for immediate help.
>  ...                                              
>                                                   
> l.28 Hello. 你
>                好.
>
> ! Package inputenc Error: Unicode character 好 (U+597D)
> (inputenc)                not set up for use with LaTeX.
>
> See the inputenc package documentation for explanation.
> Type  H <return>  for immediate help.
>  ...                                              
>                                                   
> l.28 Hello. 你好

I have fixed the org-latex-known-warnings regexp in the attached patch.
I think it should work fine now...

-- 
Juan Manuel Macías -- Composición tipográfica, tratamiento de datos, diseño editorial y ortotipografía


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-lisp-ox-latex.el-Add-missing-character-warnings.patch --]
[-- Type: text/x-patch, Size: 1816 bytes --]

From 742d67f2e8d4f1896d89f7543948facd65687ffe Mon Sep 17 00:00:00 2001
From: Juan Manuel Macias <maciaschain@posteo.net>
Date: Tue, 13 Feb 2024 16:56:23 +0100
Subject: [PATCH] lisp/ox-latex.el: Add missing character warnings

* (org-latex-known-warnings): Two missing character warnings are
added: one for LuaLaTeX/XelaTeX and another for pdfLaTeX.
---
 lisp/ox-latex.el | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index cfa2b8178..2fdc2afe8 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -1511,6 +1511,8 @@ logfiles to remove, set `org-latex-logfiles-extensions'."
     ("Underfull \\hbox" . "[underfull hbox]")
     ("Overfull \\hbox" . "[overfull hbox]")
     ("Citation.*?undefined" . "[undefined citation]")
+    ("^!.+Unicode character" . "[unicode character(s) not set up for use with pdflatex. You can run lualatex or xelatex instead]")
+    ("Missing character: There is no" . "[Missing character(s): please load an appropriate font with the fontspec package]")
     ("Undefined control sequence" . "[undefined control sequence]"))
   "Alist of regular expressions and associated messages for the user.
 The regular expressions are used to find possible warnings in the
@@ -4435,7 +4437,11 @@ encountered or nil if there was none."
     (save-excursion
       (goto-char (point-max))
       (when (re-search-backward "^[ \t]*This is .*?TeX.*?Version" nil t)
-	(if (re-search-forward "^!" nil t) 'error
+	(if (and
+	     (re-search-forward "^!\\(.+\\)" nil t)
+             ;; This error is passed as missing character warning
+             (not (string-match-p "Unicode character" (match-string 1))))
+            'error
 	  (let ((case-fold-search t)
 		(warnings ""))
 	    (dolist (warning org-latex-known-warnings)
-- 
2.43.1