On Sat, Jan 14, 2017 at 05:56:21PM +1300, gordon cooper wrote:
> Happy New Year to All.
> 
> This has been solved (after some detective work) but am reporting
> it, just in case it happens to others.
> 
> Had a recent mysterious error when trying an Lyx to pdf conversion.
> The program reported a Latex error but gave no error report.
> 
> The same Lyx file converted to html immediately, no errors. I had
> a coding error, ignored by one converter. A look at the source code
> was not a success.
> 
> So,  used the traditional system of halving the file, testing halving again,
> until there only a single line of code left. There was the problem, a
> Hyperlink
> with a irreconcilable character, a beginning  itemize dot, like this :
> 
> 
> • http://www.debian.org/doc/FAQ/ch-pkgtools.en.html
> 
> Removing the dot fixed the problem, but an hour or two wasted looking
> for it.
> 
> Gordon.
> 

Happy New Year, Gordon!

Thanks for reporting this problem. Next time it would be helpful if you
sent an example file. I went ahead and created an example file and I can
reproduce the same problem you saw. The example file is attached. If you
open LyX in the terminal, you see the following message when compiling:

  Error 84 returned from iconv when converting from UCS-4LE to
  ISO-8859-15: Invalid or incomplete multibyte or wide character

It does not give a clue where the error comes from, and indeed the LyX
GUI is not helpful at all in indicating where the error might be.

I'm moving this thread to the lyx-devel list now. I think you wanted to
just give lyx-users a warning in case they come across the problem, and
I think potential discussion of how to improve LyX to handle this case
should proceed on lyx-devel.

Scott
#LyX 2.3 created this file. For more info see http://www.lyx.org/
\lyxformat 508
\begin_document
\begin_header
\save_transient_properties true
\origin unavailable
\textclass article
\use_default_options true
\maintain_unincluded_children false
\language english
\language_package default
\inputencoding auto
\fontencoding global
\font_roman "default" "default"
\font_sans "default" "default"
\font_typewriter "default" "default"
\font_math "auto" "auto"
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100 100
\font_tt_scale 100 100
\graphics default
\default_output_format default
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize default
\use_hyperref false
\papersize default
\use_geometry false
\use_package amsmath 1
\use_package amssymb 1
\use_package cancel 1
\use_package esint 1
\use_package mathdots 1
\use_package mathtools 1
\use_package mhchem 1
\use_package stackrel 1
\use_package stmaryrd 1
\use_package undertilde 1
\cite_engine basic
\cite_engine_type default
\biblio_style plain
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
\justification true
\use_refstyle 1
\index Index
\shortcut idx
\color #008000
\end_index
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\paragraph_indentation default
\quotes_language english
\papercolumns 1
\papersides 1
\paperpagestyle default
\tracking_changes false
\output_changes false
\html_math_output 0
\html_css_as_file 0
\html_be_strict false
\end_header

\begin_body

\begin_layout Standard
\begin_inset CommandInset href
LatexCommand href
target "• http://www.debian.org/doc/FAQ/ch-pkgtools.en.html";

\end_inset

hello
\end_layout

\end_body
\end_document

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