aboutsummaryrefslogtreecommitdiffstats
path: root/chapter07/console.xml
diff options
context:
space:
mode:
authorJeremy Huntwork <jhuntwork@linuxfromscratch.org>2008-12-03 22:04:18 +0000
committerJeremy Huntwork <jhuntwork@linuxfromscratch.org>2008-12-03 22:04:18 +0000
commita79ca5f186ef1dbd6d51a032cc5b0c134ae50348 (patch)
treea80ff0de12dc77f48a5eb600a1264e76f42b1ca4 /chapter07/console.xml
parent3efd483db8fca37ecaef6a6497cd74c06aad489f (diff)
Bring jh branch up to speed with trunkjh
git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/jh/BOOK@8753 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter07/console.xml')
-rw-r--r--chapter07/console.xml55
1 files changed, 30 insertions, 25 deletions
diff --git a/chapter07/console.xml b/chapter07/console.xml
index 54056a2aa..9296952e6 100644
--- a/chapter07/console.xml
+++ b/chapter07/console.xml
@@ -59,8 +59,8 @@
<para>This variable specifies the arguments for the
<command>loadkeys</command> program, typically, the name of keymap
to load, e.g., <quote>es</quote>. If this variable is not set, the
- bootscript will not run the <command>loadkeys</command> program,
- and the default kernel keymap will be used.</para>
+ bootscript will not run the <command>loadkeys</command> program,
+ and the default kernel keymap will be used.</para>
</listitem>
</varlistentry>
@@ -82,13 +82,16 @@
<para>This variable specifies the arguments for the
<command>setfont</command> program. Typically, this includes the font
name, <quote>-m</quote>, and the name of the application character
- map to load. E.g., in order to load the <quote>lat1-16</quote> font
- together with the <quote>8859-1</quote> application character map
- (as it is appropriate in the USA), <!-- because of the copyright sign -->
- set this variable to <quote>lat1-16 -m 8859-1</quote>.
- If this variable is not set, the bootscript will not run the
- <command>setfont</command> program, and the default VGA font will be
- used together with the default application character map.</para>
+ map to load. E.g., in order to load the <quote>lat1-16</quote> font
+ together with the <quote>8859-1</quote> application character map
+ (as it is appropriate in the USA),
+ <!-- because of the copyright sign -->
+ set this variable to <quote>lat1-16 -m 8859-1</quote>.
+ In UTF-8 mode, the kernel uses the application character map for
+ conversion of composed 8-bit key codes in the keymap to UTF-8, and thus
+ the argument of the "-m" parameter should be set to the encoding of the
+ composed key codes in the keymap.</para>
+
</listitem>
</varlistentry>
@@ -96,7 +99,7 @@
<term>UNICODE</term>
<listitem>
<para>Set this variable to <quote>1</quote>, <quote>yes</quote> or
- <quote>true</quote> in order to put the
+ <quote>true</quote> in order to put the
console into UTF-8 mode. This is useful in UTF-8 based locales and
harmful otherwise.</para>
</listitem>
@@ -108,7 +111,7 @@
<para>For many keyboard layouts, there is no stock Unicode keymap in
the Kbd package. The <command>console</command> bootscript will
convert an available keymap to UTF-8 on the fly if this variable is
- set to the encoding of the available non-UTF-8 keymap.</para>
+ set to the encoding of the available non-UTF-8 keymap.</para>
</listitem>
</varlistentry>
@@ -183,17 +186,17 @@ EOF</userinput></screen>
</listitem>
<listitem>
- <para>There is no pre-made UTF-8 Russian keymap, therefore it has to be
- produced by converting the existing KOI8-R keymap as illustrated
- below:</para>
+ <para>The following example illustrates keymap autoconversion from
+ ISO-8859-15 to UTF-8 and enabling dead keys in Unicode mode:</para>
<screen role="nodump"><userinput>cat &gt; /etc/sysconfig/console &lt;&lt; "EOF"
<literal># Begin /etc/sysconfig/console
UNICODE="1"
-KEYMAP="ru-ms"
-LEGACY_CHARSET="koi8-r"
-FONT="LatArCyrHeb-16"
+KEYMAP="de-latin1"
+KEYMAP_CORRECTIONS="euro2"
+LEGACY_CHARSET="iso-8859-15"
+FONT="LatArCyrHeb-16 -m 8859-15"
# End /etc/sysconfig/console</literal>
EOF</userinput></screen>
@@ -204,14 +207,16 @@ EOF</userinput></screen>
character by themselves, but put an accent on the character produced
by the next key) or define composition rules (such as: <quote>press
Ctrl+. A E to get &AElig;</quote> in the default keymap).
- Linux-&linux-version; in UTF-8 keyboard mode assumes that accented
- characters produced via dead keys or composing are in the Latin-1 range
- of Unicode, and it is impossible to change this assumption. Thus,
- accented characters needed for, e.g., the Czech language, can't be typed
- on Linux console in UTF-8 mode (but files containing these characters can
- be displayed correctly). The solution is either to avoid the use of
- UTF-8, or to install the X window system that doesn't have this
- limitation in its input handling.</para>
+ Linux-&linux-version; interprets dead keys and composition rules in the
+ keymap correctly only when the source characters to be composed together
+ are not multibyte. This deficiency doesn't affect keymaps for European
+ languages, because there accents are added to unaccented ASCII
+ characters, or two ASCII characters are composed together. However, in
+ UTF-8 mode it is a problem, e.g., for the Greek language, where one
+ sometimes needs to put an accent on the letter <quote>alpha</quote>.
+ The solution is either to avoid the use of UTF-8, or to install the
+ X window system that doesn't have this limitation in its input
+ handling.</para>
</listitem>
<listitem>