diff options
Diffstat (limited to 'doc/apt_preferences.5.xml')
| -rw-r--r-- | doc/apt_preferences.5.xml | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/doc/apt_preferences.5.xml b/doc/apt_preferences.5.xml index 5ea59bf9c..28b795d43 100644 --- a/doc/apt_preferences.5.xml +++ b/doc/apt_preferences.5.xml @@ -339,14 +339,21 @@ only if there is no installed version of the package</simpara></listitem> <term>P < 0</term> <listitem><simpara>prevents the version from being installed</simpara></listitem> </varlistentry> +<varlistentry> +<term>P = 0</term> +<listitem><simpara>has undefined behaviour, do not use it.</simpara></listitem> +</varlistentry> </variablelist> </para> -<para>If any specific-form records match an available package version then the -first such record determines the priority of the package version. -Failing that, -if any general-form records match an available package version then the -first such record determines the priority of the package version.</para> +<para> +The first specific-form record matching an available package version determines +the priority of the package version. +Failing that, the priority of the package is defined as the maximum of all +priorities defined by generic-form records matching the version. +Records defined using patterns in the Pin field other than "*" are treated like +specific-form records. +</para> <para>For example, suppose the APT preferences file contains the three records presented earlier:</para> |