src/README 1.23

Index: src/README
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/README,v
retrieving revision 1.22
retrieving revision 1.23
diff -b -B -U 4 -r1.22 -r1.23
--- src/README	8 Jul 2008 21:23:25 -0000	1.22
+++ src/README	5 May 2010 23:34:03 -0000	1.23
@@ -170,9 +170,10 @@
 
 Symbol names begin with a lower-case letter.  The second 
 and subsequent words in a name begin with a capital letter 
 to help visually separate the words.  Abbreviation of words 
-is strongly discouraged.  If a word is abbreviated in 
+is strongly discouraged.  Words of five letters and less should
+generally not be abbreviated. If a word is abbreviated in 
 general it is abbreviated to the first three letters:
    tabSeparatedFile -> tabSepFile
 In some cases, for local variables abbreviating
 to a single letter for each word is ok: