fix little bits from the manual page

4 files changed, 21 insertions, 7 deletions

diff --git a/man/ruler.1 b/man/ruler.1
index a3adf7b..8cb482b 100644
--- a/man/ruler.1
+++ b/man/ruler.1
@@ -7,7 +7,7 @@
 \fBruler\fR \- A window rule daemon
 .
 .SH "SYNOPSIS"
-\fBruler\fR [\-hiop] [\-s \fIshell\fR] \fIfilename\fR [\fIfilename\fR\.\.\.]
+\fBruler\fR [\-himopv] [\-s \fIshell\fR] \fIfilename\fR [\fIfilename\fR\.\.\.]
 .
 .SH "DESCRIPTION"
 \fBruler\fR is an X daemon that executes arbitrary commands for windows with specific windows, called \fIrules\fR\.
@@ -16,7 +16,7 @@
 .
 .TP
 \fB\-h\fR
-Print usage and version information\.
+Print usage\.
 .
 .TP
 \fB\-i\fR
@@ -147,6 +147,9 @@ name="\.*"
 .
 .fi
 .
+.SH "ENVIRONMENT"
+\fBruler\fR acts on the X display specified by the \fBDISPLAY\fR variable and executes commands through the shell specified by \fBSHELL\fR\.
+.
 .SH "AUTHOR"
 Tudor Roman \fB<tudurom at gmail dot com>\fR
 .
diff --git a/man/ruler.1.html b/man/ruler.1.html
index 3076bbd..5713722 100644
--- a/man/ruler.1.html
+++ b/man/ruler.1.html
@@ -60,6 +60,7 @@
     <a href="#BEHAVIOR">BEHAVIOR</a>
     <a href="#CONFIGURATION">CONFIGURATION</a>
     <a href="#EXAMPLE">EXAMPLE</a>
+    <a href="#ENVIRONMENT">ENVIRONMENT</a>
     <a href="#AUTHOR">AUTHOR</a>
     <a href="#SEE-ALSO">SEE ALSO</a>
   </div>
@@ -77,7 +78,7 @@
 
 <h2 id="SYNOPSIS">SYNOPSIS</h2>
 
-<p><code>ruler</code> [-hiop] [-s <var>shell</var>] <var>filename</var> [<var>filename</var>...]</p>
+<p><code>ruler</code> [-himopv] [-s <var>shell</var>] <var>filename</var> [<var>filename</var>...]</p>
 
 <h2 id="DESCRIPTION">DESCRIPTION</h2>
 
@@ -87,7 +88,7 @@ specific windows, called <em>rules</em>.</p>
 <h2 id="OPTIONS">OPTIONS</h2>
 
 <dl>
-<dt class="flush"><code>-h</code></dt><dd><p>  Print usage and version information.</p></dd>
+<dt class="flush"><code>-h</code></dt><dd><p>  Print usage.</p></dd>
 <dt class="flush"><code>-i</code></dt><dd><p>  Ignore case in rule descriptors.</p></dd>
 <dt class="flush"><code>-m</code></dt><dd><p>  Apply rules when windows are mapped.</p></dd>
 <dt class="flush"><code>-o</code></dt><dd><p>  Apply rules on windows with <em>override_redirect</em> set, like panels and docks.</p></dd>
@@ -185,6 +186,11 @@ name=".*"
         echo "How are you?"
 </code></pre>
 
+<h2 id="ENVIRONMENT">ENVIRONMENT</h2>
+
+<p><code>ruler</code> acts on the X display specified by the <code>DISPLAY</code> variable and executes
+commands through the shell specified by <code>SHELL</code>.</p>
+
 <h2 id="AUTHOR">AUTHOR</h2>
 
 <p>Tudor Roman <code>&lt;tudurom at gmail dot com></code></p>
diff --git a/man/ruler.1.md b/man/ruler.1.md
index 10e14f7..77ad121 100644
--- a/man/ruler.1.md
+++ b/man/ruler.1.md
@@ -3,7 +3,7 @@ ruler(1) -- A window rule daemon
 
 ## SYNOPSIS
 
-`ruler` [-hiop] [-s <shell>] <filename> [<filename>...]
+`ruler` [-himopv] [-s <shell>] <filename> [<filename>...]
 
 ## DESCRIPTION
 
@@ -13,7 +13,7 @@ specific windows, called *rules*.
 ## OPTIONS
 
 * `-h`:
-	Print usage and version information.
+	Print usage.
 
 * `-i`:
 	Ignore case in rule descriptors.
@@ -123,6 +123,11 @@ name=".*"
 		echo "How are you?"
 ```
 
+## ENVIRONMENT
+
+`ruler` acts on the X display specified by the `DISPLAY` variable and executes
+commands through the shell specified by `SHELL`.
+
 ## AUTHOR
 
 Tudor Roman `<tudurom at gmail dot com>`
diff --git a/ruler.c b/ruler.c
index aee29d1..aa1eef1 100644
--- a/ruler.c
+++ b/ruler.c
@@ -45,7 +45,7 @@ xcb_atom_t allowed_atoms[NR_ATOMS];
 void
 print_usage(const char *program_name, int exit_value)
 {
-	fprintf(stderr, "Usage: %s [-hiops] filename [filename...]\n", program_name);
+	fprintf(stderr, "Usage: %s [-himopv] [-s shell] filename [filename...]\n", program_name);
 	exit(exit_value);
 }