save: Fix XML escape table

Regressed with 2adcde3.

Author: nwellnhof

tools/genEscape.py

@@ -34,7 +34,7 @@
         r += "'%s'," % c
         pos += 1
 
-print('static const char xmlEscapeContent[] = {%s\n};\n' % r)
+print('static const signed char xmlEscapeContent[] = {%s\n};\n' % r)
 
 ### xmlEscapeTab
 
@@ -45,7 +45,7 @@
 
     if chr(i) in escape:
         v = offset[i]
-    elif i != 9 and i != 10 and i < 20:
+    elif i != 9 and i != 10 and i < 32:
         v = 0
     else:
         v = -1
@@ -54,7 +54,7 @@
     else: r += ' '
     r += '%2d,' % v
 
-print('static const char xmlEscapeTab[128] = {%s\n};\n' % r)
+print('static const signed char xmlEscapeTab[128] = {%s\n};\n' % r)
 
 ### xmlEscapeTabAttr
 
@@ -65,7 +65,7 @@
 
     if chr(i) in escape:
         v = offset[i]
-    elif i != 9 and i != 10 and i < 20:
+    elif i != 9 and i != 10 and i < 32:
         v = 0
     else:
         v = -1

xmlsave.c

@@ -132,7 +132,7 @@ static const char xmlEscapeContent[] = {
 
 static const signed char xmlEscapeTab[128] = {
      0,  0,  0,  0,  0,  0,  0,  0,  0, -1, -1,  0,  0, 20,  0,  0,
-     0,  0,  0,  0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     -1, -1, -1, -1, -1, -1, 33, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 39, -1, 44, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
@@ -143,7 +143,7 @@ static const signed char xmlEscapeTab[128] = {
 
 static const signed char xmlEscapeTabAttr[128] = {
      0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 14,  0,  0, 20,  0,  0,
-     0,  0,  0,  0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     -1, -1, 26, -1, -1, -1, 33, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 39, -1, 44, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,