Some minor clarifications for find()'s arguments based on SF bug
#463572. Closing.
diff --git a/Doc/lib/libgettext.tex b/Doc/lib/libgettext.tex
index 8bd56f7..aaacd80 100644
--- a/Doc/lib/libgettext.tex
+++ b/Doc/lib/libgettext.tex
@@ -98,9 +98,9 @@
\begin{funcdesc}{find}{domain\optional{, localedir\optional{, languages}}}
This function implements the standard \file{.mo} file search
algorithm. It takes a \var{domain}, identical to what
-\function{textdomain()} takes, and optionally a \var{localedir} (as in
-\function{bindtextdomain()}), and a list of languages. All arguments
-are strings.
+\function{textdomain()} takes. Optional \var{localedir} is as in
+\function{bindtextdomain()} Optional \var{languages} is a list of
+strings, where each string is a language code.
If \var{localedir} is not given, then the default system locale
directory is used.\footnote{See the footnote for
@@ -108,8 +108,9 @@
then the following environment variables are searched: \envvar{LANGUAGE},
\envvar{LC_ALL}, \envvar{LC_MESSAGES}, and \envvar{LANG}. The first one
returning a non-empty value is used for the \var{languages} variable.
-The environment variables can contain a colon separated list of
-languages, which will be split.
+The environment variables should contain a colon separated list of
+languages, which will be split on the colon to produce the expected
+list of language code strings.
\function{find()} then expands and normalizes the languages, and then
iterates through them, searching for an existing file built of these