[LyX/master] FindAdv: Use isAlnumASCII() instead of std::isalnum()

[Kornel Benko]

commit 9d6b71c6b3db62f0d1fe6338379c2bf226bedfa5
Author: Kornel Benko <kor...@lyx.org>
Date:   Thu Feb 28 13:00:12 2019 +0100

    FindAdv: Use isAlnumASCII() instead of std::isalnum()
    
    Thanks Jean-Marc
---
 src/lyxfind.cpp |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/lyxfind.cpp b/src/lyxfind.cpp
index 02e290a..9fbc13f 100644
--- a/src/lyxfind.cpp
+++ b/src/lyxfind.cpp
@@ -52,6 +52,7 @@
 #include "support/lstrings.h"
 
 #include "support/regex.h"
+#include "support/textutils.h"
 #include <map>
 
 using namespace std;
@@ -2118,9 +2119,9 @@ int LatexInfo::dispatch(ostringstream &os, int 
previousStart, KeyInfo &actual)
     }
     case KeyInfo::endArguments:
       // Remove trailing '{}' too
-      actual._dataStart += 2;
-      actual._dataEnd += 2;
-      interval.addIntervall(actual._tokenstart, actual._dataEnd);
+      actual._dataStart += 1;
+      actual._dataEnd += 1;
+      interval.addIntervall(actual._tokenstart, actual._dataEnd+1);
       nextKeyIdx = getNextKey();
       break;
     case KeyInfo::noMain:
@@ -2863,14 +2864,14 @@ string MatchStringAdv::normalize(docstring const & s, 
bool hack_braces) const
        while ((pos = t.find("\n")) != string::npos) {
                if (pos > 1 && t[pos-1] == '\\' && t[pos-2] == '\\' ) {
                        // Handle '\\\n'
-                       if (std::isalnum(t[pos+1])) {
+                       if (isAlnumASCII(t[pos+1])) {
                                t.replace(pos-2, 3, " ");
                        }
                        else {
                                t.replace(pos-2, 3, "");
                        }
                }
-               else if (!std::isalnum(t[pos+1]) || !std::isalnum(t[pos-1])) {
+               else if (!isAlnumASCII(t[pos+1]) || !isAlnumASCII(t[pos-1])) {
                        // '\n' adjacent to non-alpha-numerics, discard
                        t.replace(pos, 1, "");
                }