X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fflow-control.texi;h=9f4d41345760ae704f5afb0abd177ebeddabb42b;hb=db7a0df40c17c140ab56e2e7dbabe8a6896cfd07;hp=fb2df35291abab9fc193f1acfc5a9d1f472b052a;hpb=1b1837591924226078c96db15888b68beec2ef6d;p=pspp

diff --git a/doc/flow-control.texi b/doc/flow-control.texi
index fb2df35291..9f4d413457 100644
--- a/doc/flow-control.texi
+++ b/doc/flow-control.texi
@@ -1,3 +1,12 @@
+@c PSPP - a program for statistical analysis.
+@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Permission is granted to copy, distribute and/or modify this document
+@c under the terms of the GNU Free Documentation License, Version 1.3
+@c or any later version published by the Free Software Foundation;
+@c with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+@c A copy of the license is included in the section entitled "GNU
+@c Free Documentation License".
+@c
 
 @node Conditionals and Looping
 @chapter Conditional and Looping Constructs
@@ -108,6 +117,9 @@ strings, comments, unquoted strings (such as the text on the
 @cmd{TITLE} or @cmd{DOCUMENT} command), or inside @cmd{BEGIN
 DATA}@dots{}@cmd{END DATA}.
 
+Substitution occurs only on whole words, so that, for example, a dummy
+variable PRINT would not be substituted into the word PRINTOUT.
+
 New variable names used as replacements are not automatically created
 as variables, but only if used in the code block in a context that
 would create them, e.g.@: on a @cmd{NUMERIC} or @cmd{STRING} command
@@ -170,8 +182,10 @@ code block is executed.  The condition is evaluated at the end of the
 loop, not at the beginning, so that the body of a loop with only a
 condition on @cmd{END LOOP} will always execute at least once.
 
-If neither the index clause nor either condition clause is
-present, then the loop is executed @var{max_loops} (@pxref{SET}) times.
+If the index clause is not
+present, then the loop is executed at most @var{max_loops} (@pxref{SET}) times
+(but possibly fewer, if a condition clause evaluates to false or if
+@cmd{BREAK} executes).
 The default value of @var{max_loops} is 40.
 
 @cmd{BREAK} also terminates @cmd{LOOP} execution (@pxref{BREAK}).