X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FEncoding.cpp;h=9dde12d1213fc6d06e80ba0d28d27345605e1c39;hb=2de30c62f8d671a8c8d4d52a6a7310e2c5ca84de;hp=73edc843ff361bfe977441284f67f10d498239e6;hpb=f35ed0c16836db4e8241770ad25925af9b94009e;p=lyx.git

diff --git a/src/Encoding.cpp b/src/Encoding.cpp
index 73edc843ff..9dde12d121 100644
--- a/src/Encoding.cpp
+++ b/src/Encoding.cpp
@@ -25,8 +25,9 @@
 
 #include <boost/cstdint.hpp>
 
-#include <sstream>
+#include <iterator>
 #include <algorithm>
+#include <sstream>
 
 using namespace std;
 using namespace lyx::support;
@@ -259,16 +260,15 @@ vector<char_type> Encoding::symbolsList() const
 	// assure the used encoding is properly initialized
 	init();
 
-	// first all encodable characters
-	vector<char_type> symbols(encodable_.begin(), encodable_.end());
-	// add those below start_encodable_
+	// first all those below start_encodable_
+	vector<char_type> symbols;
 	for (char_type c = 0; c < start_encodable_; ++c)
 		symbols.push_back(c);
+	//add all encodable characters
+	copy(encodable_.begin(), encodable_.end(), back_inserter(symbols));
 	// now the ones from the unicodesymbols file
-	CharInfoMap::const_iterator const end = unicodesymbols.end();
-	CharInfoMap::const_iterator it = unicodesymbols.begin();
-	for (; it != end; ++it)
-		symbols.push_back(it->first);
+	for (pair<char_type, CharInfo> const & elem : unicodesymbols)
+		symbols.push_back(elem.first);
 	return symbols;
 }
 
@@ -601,6 +601,16 @@ bool Encodings::isMathAlpha(char_type c)
 }
 
 
+bool Encodings::isUnicodeTextOnly(char_type c)
+{
+	if (isASCII(c) || isMathAlpha(c))
+		return false;
+
+	CharInfoMap::const_iterator const it = unicodesymbols.find(c);
+	return it == unicodesymbols.end() || it->second.mathcommand().empty();
+}
+
+
 Encoding const *
 Encodings::fromLyXName(string const & name, bool allowUnsafe) const
 {