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-rw-r--r--support/TeX4ht/source/tex4ht-4ht.tex28
1 files changed, 22 insertions, 6 deletions
diff --git a/support/TeX4ht/source/tex4ht-4ht.tex b/support/TeX4ht/source/tex4ht-4ht.tex
index 72021dac4d..b929a45582 100644
--- a/support/TeX4ht/source/tex4ht-4ht.tex
+++ b/support/TeX4ht/source/tex4ht-4ht.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1007 2021-10-28 11:48:10Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1009 2021-11-05 17:09:29Z michal_h21 $
% tex tex4ht-4ht or ht tex tex4ht-4ht
%
% Copyright 2009-2021 TeX Users Group
@@ -3941,7 +3941,7 @@ correctly. This just removes the error message.
\<biblatex-hooks.4ht\><<<
% biblatex-hooks.4ht (|version), generated from |jobname.tex
-% Copyright 2020 TeX Users Group
+% Copyright 2020-2021 TeX Users Group
|<TeX4ht license text|>
\:AtEndOfPackage{%
\def\blx@mknoautolang{%
@@ -3950,7 +3950,7 @@ correctly. This just removes the error message.
}%
|<fix biblatex lang handling|>
}
-|<early biblatex nameref|>
+%|<early biblatex nameref|>
>>> \AddFile{9}{biblatex-hooks}
Some biblatex styles reported error missing English language.
@@ -3973,6 +3973,11 @@ a wrong code. The saved version of that command must be used instead.
\blx@lbxinput@iv{#2}{#2}{language '#2'}}}
>>>
+Update 2021/11/04: the following information is here for the historical reasons.
+We don't load Nameref from BibLaTeX anymore. I've found that we need to
+remove Nameref from hyperref-hooks.4ht and then everything works.
+
+Historical info:
BibLaTeX and TeX4ht both redefine the \Verb|\ifthenelse| command. We take care
of it in biblatex.4ht by defining the \Verb|\TE@hook| command. But some BibLaTeX
styles still have issues (namely "anbt"). I've found that loading of "nameref"
@@ -3984,7 +3989,7 @@ it seems to cause other issues if we used \Verb|\RequirePackage| directly.
We can utilize the LaTeX hook system for that.
\Link[https://tex.stackexchange.com/a/620503/2891]{}{}See this issue\EndLink.
-
+This code is not used anymore:
\<early biblatex nameref\><<<
\AddToHook{package/before/biblatex}{\RequirePackage{nameref}}
>>>
@@ -4991,6 +4996,18 @@ We can load nameref from the early hook file
% hyperref-hooks.4ht (|version), generated from |jobname.tex
% Copyright 2021 TeX Users Group
|<TeX4ht license text|>
+% we don't have any code here for now
+>>> \AddFile{9}{hyperref-hooks}
+
+This code used to be loaded from hyperref-hooks.4ht, but I
+found that it causes serious clashes with BibLaTeX. It is
+legacy code that I don't understand what is supposed to do.
+
+Maybe we will find that it's omission cause other issues,
+but I tried three recent bug reports regarding Hyperref
+and BibLaTeX and they all work better when we remove it.
+
+\<load nameref in hyperref hooks\><<<
\:AtEndOfPackage{%
\@ifpackageloaded{nameref}{}
{%
@@ -4999,8 +5016,7 @@ We can load nameref from the early hook file
\let\label\sv:label
%\input nameref.4ht
}}
-
->>> \AddFile{9}{hyperref-hooks}
+>>>