Différences

Ci-dessous, les différences entre deux révisions de la page.

--- generalites:erreurs:missing_begin_document [2021/01/10 16:36] – Rebalisage de la page. jejust
+++ generalites:erreurs:missing_begin_document [2021/01/10 16:38] (Version actuelle) – Suppression après fusion avec "generalites/erreurs/m/missing_begin_document". jejust
@@ Ligne 1: / Ligne 1: @@
-====== Missing "\begin{document}" ======
-The //preamble// of your document is the stuff before
-''\begin{document}''; you put ''\usepackage'' commands and
-your own macro definitions in there.  LaTeX doesn't like
-//typesetting// anything in the preamble, so if you have:
-  * typed the odd grumble,
-  * created a box with ''\newsavebox'' and put something in it using ''\sbox'' (or the like),
-  * forgotten to put ''\begin{document}'' into the document, at all, or even
-  * gave it the wrong file
-the error is inevitable and the solution is simple --- judicious use
-of comment markers (''%'') at the beginning of a line
-line, moving things around, providing something that was
-missing ... or switching to the correct file.
-The error may also occur while reading the ''aux'' file from an
-earlier processing run on the document; if so, delete the
-''aux'' file and start again from scratch.  If the error
-recurs, it could well be due to a buggy class or package.
-However, it may be that none of the above solves the problem.
-If so, remember that things that appear before ''\documentclass'' are
-also problematical: they are inevitably before ''\begin{document}''!
-Unfortunately, modern editors are capable of putting things there, and
-preventing you from seeing them.  This can happen when your document
-is being "written" in [[FAQ-unicode|Unicode]].  The Unicode
-standard defines "Byte Order Marks" (BOM), that reassure a
-program (that reads the document) of the way the Unicode codes are
-laid out.  Sadly ordinary LaTeX or pdfLaTeX choke on
-BOMs, and consider them typesetting requests.  The error
-message you see will look like:
-<code>
-! LaTeX Error: Missing \begin{document}.
-...
-l.1 <?>
-       <?><?>\documentclass{article}
-</code>
-(Those ''<?>''s are your operating system's representation of an
-unknown character; on the author's system it's a reverse video
-''?'' sign.)
-You can spot the BOM by examining the bytes; for example, the
-Unix ''hexdump'' application can help:
-<code>
-$ hexdump -C <file>
-00000000  ef bb bf 5c 64 6f 63 75 ...
-</code>
-The ''5c 64 6f 63 75'' are the ''\docu'' at the start of
-(the "real" part of) your document; the three bytes before it form the
-BOM.
-How to stop your editor from doing this to you depends, of course, on
-the editor you use; if you are using GNU Emacs, you have to
-change the encoding from ''utf-8-with-signature'' to "plain"
-''utf-8''; instructions for that are found on
-[[http://stackoverflow.com/questions/3859274/|the "stack overflow" site]]
-(So far, all instances of this problem that the author has seen have
-afflicted GNU Emacs users.)
-Fortunately XeTeX and LuaTeX know about BOMs and what to
-do with them, so LaTeX using them is "safe".
------
-//Source:// [[faquk>FAQ-missbegdoc|Missing `\begin{document}`]]
-{{htmlmetatags>metatag-keywords=(LaTeX,errors)
-metatag-og:title=(Missing `\begin{document}`)
-metatag-og:site_name=(FAQ LaTeX francophone)
-}}