diff options
Diffstat (limited to 'docs/manual/mod/core.xml')
| -rw-r--r-- | docs/manual/mod/core.xml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/manual/mod/core.xml b/docs/manual/mod/core.xml index 2bfdcb1a27..79e47416c6 100644 --- a/docs/manual/mod/core.xml +++ b/docs/manual/mod/core.xml @@ -596,8 +596,8 @@ which no other media type configuration could be found. <directivesynopsis> <name>Define</name> -<description>Define the existence of a variable</description> -<syntax>Define <var>parameter-name</var></syntax> +<description>Define or undefine the existence of a variable</description> +<syntax>Define [!]<var>parameter-name</var></syntax> <contextlist><context>server config</context></contextlist> <usage> @@ -606,6 +606,8 @@ which no other media type configuration could be found. <p>This directive can be used to toggle the use of <directive module="core" type="section">IfDefine</directive> sections without needing to alter <code>-D</code> arguments in any startup scripts.</p> + <p>If the parameter-name is prefixed with a <code>!</code>, the definition + of the argument is removed.</p> </usage> </directivesynopsis> |