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--- a/src/common/textsplit.h
+++ b/src/common/textsplit.h
@@ -59,6 +59,11 @@
 	o_deHyphenate = on;
     }
 
+    // Process backslashes as letters? Default is off, but it may be
+    // useful for searching for tex commands. Config variable:
+    // backslashasletter
+    static void backslashAsLetter(bool on);
+    
     enum Flags {
         // Default: will return spans and words (a_b, a, b)
         TXTS_NONE = 0,