Description of problem:
I was having a lot of trouble debugging a DocBook file due to a rather cryptic and, ultimately, misleading error message. I have spoken to Rudi about this problem and he feels it is worth logging to have it improved.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. These were the contents of the .ent file:
<!ENTITY PRODUCT "JBoss Fusion">
<!ENTITY BOOKID "Fusion_Guide">
<!ENTITY YEAR "2010">
<!ENTITY HOLDER "Red Hat>
So the *actual* bug is that the last item is lacking a closing quotation mark. None of these entities are referenced in the body of the book, though they are referenced by default in the Legal Notice, etc.
2. publican build --formats=pdf --langs=en-US
Misleading and unhelpful error message:
Beginning work on en-US
FATAL ERROR: parser:4 in Fusion_Guide.xml on line 14: Start tag expected, '<' not found
at /usr/bin/publican line 622
An error message that points to the right file and gives a better indication of the issue. Error message above may make internal sense to Publican but it does not help the user at all.
These error messages are generated by libxml, you should probably talk to the upstream to get this changed.
Here's an idea, I should move this bug to the right component ...
Publican uses perl-XML-LibXML to access the error messages generated by libxml2, users are having trouble because the error messages aren't clear enough.
In this case the confusion is doubled because the entity file is external to the xml file and the error is reported against the xml file not the ent file.
e.g. from the Publican Users Guide "Users_Guide.xml"
<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE bookinfo PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "Users_Guide.ent">
If there is a bug in Users_Guide.ent it gets reported in Users_Guide.xml not Users_Guide.ent
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