Clarified comments in key-handler, fixes issue #206

Makefile

@@ -1,4 +1,4 @@
-VERSION   := git-20150206
+VERSION   := git-20150518
 
 PREFIX    := /usr/local
 MANPREFIX := $(PREFIX)/share/man

exec/key-handler

@@ -2,9 +2,9 @@
 
 # Example for $XDG_CONFIG_HOME/sxiv/exec/key-handler
 # Called by sxiv(1) after the external prefix key (C-x by default) is pressed.
-# The next key combo is passed as its first argument. The paths of all marked
-# images--or of the current image, if no image is marked--are passed via stdin,
-# one file path per line.
+# The next key combo is passed as its first argument. Passed via stdin are the
+# images to act upon, one path per line: all marked images, if in thumbnail
+# mode and at least one image has been marked, otherwise the current image.
 # sxiv(1) blocks until this script terminates. It then checks which images
 # have been modified and reloads them.
 

sxiv.1

@@ -361,9 +361,9 @@ located in
 .IR $XDG_CONFIG_HOME/sxiv/exec/key-handler .
 The handler is invoked by pressing
 .BR Ctrl-x .
-The next key combo is passed as its first argument. The paths of all marked
-images--or of the current image, if no image is marked--are passed via stdin,
-one file path per line.
+The next key combo is passed as its first argument. Passed via stdin are the
+images to act upon, one path per line: all marked images, if in thumbnail mode
+and at least one image has been marked, otherwise the current image.
 sxiv(1) will block until the handler terminates. It then checks which images
 have been modified and reloads them.