Import SQLite 3.10.2.

third_party/sqlite/src/ext/fts5/test/fts5_common.tcl

 # 2014 Dec 19
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
 #
 #    May you do good and not evil.
 #    May you find forgiveness for yourself and forgive others.
 #    May you share freely, never taking more than you give.
 #
 #***********************************************************************
@@ skipping 309 matching lines @@
   set iOff [gobble_whitespace text]
   while {[set nToken [gobble_text text word]]} {
     lappend ret $word $iOff [expr $iOff+$nToken]
     incr iOff $nToken
     incr iOff [gobble_whitespace text]
   }
 
   set ret
 }