Track new "words" from sample code.

Resolves #2869

xt/words.pws

@@ -192,6 +192,7 @@ colonpair
 colonpairs
 colour
 combinators
+combiningchars
 commandline
 comparator
 compilable
@@ -366,6 +367,8 @@ expr
 extern
 eyewear
 fabc
+facename
+facesize
 fagner
 failover
 fallbacks
@@ -591,6 +594,7 @@ lcfirst
 ld
 lenz
 lenz's
+letterspace
 lexically
 lexicals
 lexicographically
@@ -762,6 +766,7 @@ notcomposable
 notcomposed
 notdynamic
 notfound
+noto
 npm
 nqp
 nqp's
@@ -852,6 +857,7 @@ photoshop
 pickpairs
 pid
 pinnsler
+pixelsize
 plaintext
 pluggable
 png
@@ -1216,6 +1222,7 @@ timezones
 timtoady
 timtowtdi
 titlecase
+titlemodes
 tkey
 tmi
 tmp
@@ -1318,6 +1325,8 @@ upcase
 updir
 upto
 uri
+urxvt
+useclipping
 useqq
 usr
 utf
@@ -1368,6 +1377,7 @@ writehandle
 wrongorder
 ws
 xcompose
+xdefaults
 xdigit
 xeqv
 xfa
@@ -1376,6 +1386,7 @@ xfc
 xfd
 xfe
 xfez
+xft
 xim
 xorg
 xtest