X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathSupport.cpp;h=6a815ed8985e6b81605b4f201c6ecfffb865fab0;hb=d243e53f54e861c90ce7135f3d1a8d68d6202555;hp=0a87fd69bae3c90f67a8a812eba790a2a3831ef6;hpb=01a6d4252b94c3b0a38faf32da1eea9b17cbf3c5;p=lyx.git

diff --git a/src/mathed/MathSupport.cpp b/src/mathed/MathSupport.cpp
index 0a87fd69ba..6a815ed898 100644
--- a/src/mathed/MathSupport.cpp
+++ b/src/mathed/MathSupport.cpp
@@ -13,7 +13,8 @@
 
 #include "MathSupport.h"
 
-#include "InsetMath.h"
+#include "InsetMathFont.h"
+#include "InsetMathSymbol.h"
 #include "MathData.h"
 #include "MathParser.h"
 #include "MathStream.h"
@@ -736,6 +737,27 @@ void augmentFont(FontInfo & font, docstring const & name)
 }
 
 
+bool isAlphaSymbol(MathAtom const & at)
+{
+	if (at->asCharInset() ||
+	    (at->asSymbolInset() &&
+	     at->asSymbolInset()->isOrdAlpha()))
+		return true;
+
+	if (at->asFontInset()) {
+		MathData const & ar = at->asFontInset()->cell(0);
+		for (size_t i = 0; i < ar.size(); ++i) {
+			if (!(ar[i]->asCharInset() ||
+			      (ar[i]->asSymbolInset() &&
+			       ar[i]->asSymbolInset()->isOrdAlpha())))
+				return false;
+		}
+		return true;
+	}
+	return false;
+}
+
+
 docstring asString(MathData const & ar)
 {
 	odocstringstream os;