[LyX/master] Update the FIXME for PDF-info encoding.

[Günter Milde]

commit 3d521cfcac79aab152a9c2848fe28e16b5ee9bd9
Author: Günter Milde <mi...@lyx.org>
Date:   Wed Oct 28 10:15:31 2015 +0100

    Update the FIXME for PDF-info encoding.

diff --git a/src/PDFOptions.cpp b/src/PDFOptions.cpp
index afbd5e5..e5279f9 100644
--- a/src/PDFOptions.cpp
+++ b/src/PDFOptions.cpp
@@ -174,9 +174,18 @@ void PDFOptions::writeLaTeX(OutputParams & runparams, 
otexstream & os,
                opt = "\\hypersetup{" + rtrim(opt + hyperset, ",") + "}\n";
        }
 
-       // hyperref expects utf8!
+       // hyperref expects LICR with 8-bit TeX and LICR or utf8 with Xe/LuaTeX.
+       // (LICR encoding is provided by lib/unicodesymbols, or "inputenc".)
+       // FIXME: inputenc (part 1 of 2)
+       //        Replace the "FullUnicode" check with
+       //        check for loading of inputenc or luainputenc package.
+       //        Otherwise \inputencoding is not defined
+       //        (e.g. if "latex-encoding" is set to "ascii").
+       //        See also BufferParams::writeEncodingPreamble
+       //        and runparams.encoding->package()
+       //        Dont forget to keep the check below (part 2) in sync!
        if (need_unicode && enc && enc->iconvName() != "UTF-8"
-           &&!runparams.isFullUnicode()) { // FIXME: check must be done for 
useNonTeXFonts!
+           &&!runparams.isFullUnicode()) {
                os << "\\inputencoding{utf8}\n"
                   << setEncoding("UTF-8");
        }
@@ -194,9 +203,9 @@ void PDFOptions::writeLaTeX(OutputParams & runparams, 
otexstream & os,
                   << "\\fi\n";
        } else
                os << from_utf8(opt);
-
+       // FIXME: inputenc (part 2 of 2)
        if (need_unicode && enc && enc->iconvName() != "UTF-8"
-           &&!runparams.isFullUnicode()) { // FIXME: check for useNonTeXFonts!
+           &&!runparams.isFullUnicode()) {
                os << setEncoding(enc->iconvName())
                   << "\\inputencoding{" << from_ascii(enc->latexName()) << 
"}\n";
        }