[LyX/master] Fix xhtml output of French double guillemets (spacing)

[Juergen Spitzmueller]

commit 449a89825b38b730a5f47b0fc5329ebe10a3278c
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sat Dec 10 16:13:02 2016 +0100

    Fix xhtml output of French double guillemets (spacing)
---
 src/insets/InsetQuotes.cpp |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/src/insets/InsetQuotes.cpp b/src/insets/InsetQuotes.cpp
index e4f058c..29d9251 100644
--- a/src/insets/InsetQuotes.cpp
+++ b/src/insets/InsetQuotes.cpp
@@ -309,7 +309,19 @@ int InsetQuotes::plaintext(odocstringstream & os,
 
 docstring InsetQuotes::getQuoteEntity() const {
        const int quoteind = quote_index[side_][language_];
-       return from_ascii(html_quote[times_][quoteind]);
+       docstring res = from_ascii(html_quote[times_][quoteind]);
+       // in French, thin spaces are added inside double guillemets
+       // FIXME: this should be done by a separate quote type.
+       if (prefixIs(context_lang_, "fr")
+           && times_ == DoubleQuotes && language_ == FrenchQuotes) {
+               // THIN SPACE (U+2009)
+               docstring const thin_space = from_ascii("&#x2009;");
+               if (side_ == LeftQuote)
+                       res += thin_space;
+               else
+                       res = thin_space + res;
+       }
+       return res;
 }