* lisp/progmodes/compile.el (compilation-filter-start): Doc fix.

* etc/NEWS: Related edit.

3 files changed, 7 insertions, 6 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 138689cff69..5f85a1520d3 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -668,9 +668,10 @@ on platforms that support it.  This calls your desktop's preferred browser.
 *** Compilation mode can be used without font-lock-mode.
 `compilation-parse-errors-function' is now obsolete.
 
-*** `compilation-filter-start' is let-bound to the start of the text
-inserted by the compilation filter function, when calling
-compilation-filter-hook.
+---
+*** New variable `compilation-filter-start', bound while
+compilation-filter-hook runs.  It records the start position of the
+text inserted by compilation-filter.
 
 ---
 *** `compilation-error-screen-columns' and `compilation-first-column'
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e51f41fb99e..0af831976f0 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,7 +1,7 @@
 2012-02-09  Glenn Morris  <rgm@gnu.org>
 
         * progmodes/compile.el (compilation-first-column)
-        (compilation-error-screen-columns): Doc fixes.
+        (compilation-error-screen-columns, compilation-filter-start): Doc fixes.
 
         * vc/log-view.el (log-view-toggle-entry-display):
         * vc/vc.el (vc-merge, vc-pull): Doc fixes.
diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 6c48eee7f4b..c1d8f9db23f 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -74,8 +74,8 @@ If Emacs lacks asynchronous process support, this hook is run
 after `call-process' inserts the grep output into the buffer.")
 
 (defvar compilation-filter-start nil
-  "Start of the text inserted by `compilation-filter'.
-This is bound to a buffer position before running `compilation-filter-hook'.")
+  "Position of the start of the text inserted by `compilation-filter'.
+This is bound before running `compilation-filter-hook'.")
 
 (defvar compilation-first-column 1
   "*This is how compilers number the first column, usually 1 or 0.