From 2a70838135c1d21bcb9134a7b2ca290682ba738b Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@tuebingen.mpg.de>
Date: Mon, 10 Feb 2020 12:51:28 +0100
Subject: [PATCH] Unix Concepts: Use <th> for table headers.

This way they are styled according to the values in the css file.
---
 Unix_Concepts.m4 | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Unix_Concepts.m4 b/Unix_Concepts.m4
index 938befc..321bdda 100644
--- a/Unix_Concepts.m4
+++ b/Unix_Concepts.m4
@@ -796,11 +796,11 @@ as described below. </p>
 
 <table>
 	<tr>
-		<td> </td>
-		<td> <em>Directories</em> </td>
-		<td> <em>Non-directories</em> </td>
+		<th> &nbsp;&nbsp; </th>
+		<th> Directories </th>
+		<th> Non-directories </th>
 	</tr> <tr>
-		<td> <code>&nbsp;r&nbsp;</code> </td>
+		<th> <code>r</code> </th>
 
 		<td> The permission to list the directory contents. More precisely,
 		this bit grants the permission to call <code>opendir(3)</code>
@@ -813,7 +813,7 @@ as described below. </p>
 		fail for other reasons, though.
 
 	</tr> <tr>
-		<td> <code>&nbsp;w&nbsp;</code> </td>
+		<th> <code>w</code> </th>
 
 		<td> The permission to add or remove directory entries. That is,
 		to create new files or to remove existing files. Note that write
@@ -827,7 +827,7 @@ as described below. </p>
 		permissions. </td>
 
 	</tr> <tr>
-		<td> <code>&nbsp;x&nbsp;</code> </td>
+		<th> <code>x</code> </th>
 
 		<td> The permission to <em>search</em> the directory. Searching
 		a directory means to access its entries, either by retrieving
@@ -858,9 +858,9 @@ three digits. </p>
 
 <table>
 	<tr>
-		<td> octal value </td>
-		<td> symbolic representation </td>
-		<td> meaning </td>
+		<th> Octal Value </th>
+		<th> Symbolic Representation </th>
+		<th> Meaning </th>
 	</tr> <tr>
 		<td> 0 </td>
 		<td> <code>---</code> </td>
-- 
2.30.2