kenhys · Oct 7, 2026 · Oct 7, 2026
diff --git a/buffer/file.md b/buffer/file.md
@@ -135,7 +135,7 @@ The permission of the buffer chunk files, in the octal format. The same permissi
 </match>
 ```
 
-If this parameter is not set, [`file_permission`](../deployment/system-config.md#file_permission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0644` is used.
+If this parameter is not set, [`file_permission`](../deployment/system-config.md#filepermission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0644` is used.
 
 ### `dir_permission`
 
@@ -156,7 +156,7 @@ The permission of the directory created to store the buffer chunk files, in the
 </match>
 ```
 
-If this parameter is not set, [`dir_permission`](../deployment/system-config.md#dir_permission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0755` is used.
+If this parameter is not set, [`dir_permission`](../deployment/system-config.md#dirpermission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0755` is used.
 
 ## Tips
 

diff --git a/buffer/file_single.md b/buffer/file_single.md
@@ -105,7 +105,7 @@ The permission of the buffer chunk files, in the octal format.
 </match>
 ```
 
-If this parameter is not set, [`file_permission`](../deployment/system-config.md#file_permission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0644` is used.
+If this parameter is not set, [`file_permission`](../deployment/system-config.md#filepermission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0644` is used.
 
 ### `dir_permission`
 
@@ -127,7 +127,7 @@ The permission of the directory created to store the buffer chunk files, in the
 </match>
 ```
 
-If this parameter is not set, [`dir_permission`](../deployment/system-config.md#dir_permission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0755` is used.
+If this parameter is not set, [`dir_permission`](../deployment/system-config.md#dirpermission) in the [system configuration](../deployment/system-config.md) is used. If it is not set either, `0755` is used.
 
 ## Limitation
 

diff --git a/configuration/config-file.md b/configuration/config-file.md
@@ -581,7 +581,7 @@ These parameters are reserved and are prefixed with an `@` symbol:
 
 * `@label`: specifies the label symbol. See
 
-  [label](config-file.md#id-5.-group-filter-and-output-the-label-directive)
+  [label](config-file.md#5-group-filter-and-output-the-label-directive)
 
   section.
 

diff --git a/deployment/logging.md b/deployment/logging.md
@@ -183,7 +183,7 @@ It can be configured through `<log>` directive under `<system>`:
 </system>
 ```
 
-You need to specify [`rotate_age`](system-config.md#rotate_age) or [`rotate_size`](system-config.md#rotate_size) options explicitly to enable log rotation.
+You need to specify [`rotate_age`](system-config.md#rotateage) or [`rotate_size`](system-config.md#rotatesize) options explicitly to enable log rotation.
 
 NOTE: You can omit one of these 2 options to use the default value, but if you omit both of them, log rotation is disabled.
 Actually, an external library manages these default values, resulting in this complication.

diff --git a/deployment/source-only-mode.md b/deployment/source-only-mode.md
@@ -13,7 +13,7 @@ Since v1.18.0, Fluentd can launch with source-only mode.
 You can launch Fluentd with source-only mode in the following ways.
 
 * [Command Line Option - --with-source-only](command-line-option.md)
-* [System Configuration - with_source_only](system-config.md#with_source_only)
+* [System Configuration - with_source_only](system-config.md#withsourceonly)
 
 ## Temporary file buffer
 
@@ -41,7 +41,7 @@ It works with the default settings of `out_buffer` except for the following poin
 If needed, you can configure some options for the buffer in System Configuration.
 Please see the following for details.
 
-* [System Configuration - source_only_buffer section](system-config.md#less-than-source_only_buffer-greater-than-section).
+* [System Configuration - source_only_buffer section](system-config.md#sourceonlybuffer-section).
 
 ### Recovery
 

diff --git a/deployment/system-config.md b/deployment/system-config.md
@@ -64,7 +64,7 @@ Specifies the time value of the emitting of error log interval.
 
 Specify interval to ignore repeated log/stacktrace messages.
 
-See also [Logging article](logging.md#ignore_repeated_log_interval).
+See also [Logging article](logging.md#ignorerepeatedloginterval).
 
 ### `ignore_same_log_interval`
 
@@ -74,7 +74,7 @@ See also [Logging article](logging.md#ignore_repeated_log_interval).
 
 Specify interval to ignore same log/stacktrace messages.
 
-See also [Logging article](logging.md#ignore_same_log_interval).
+See also [Logging article](logging.md#ignoresameloginterval).
 
 ### `suppress_config_dump`
 
@@ -312,15 +312,15 @@ The temporary buffer setting for [Source Only Mode](source-only-mode.md).
 | :---    | :---    | :---    |
 | integer | 1       | 1.18.0  |
 
-See [Output Plugins - flush_thread_count](../output#flush_thread_count) for details.
+See [Output Plugins - flush_thread_count](../output#flushthreadcount) for details.
 
 #### `overflow_action`
 
 | type | default           | version |
 | :--- | :---              | :---    |
 | enum | drop_oldest_chunk | 1.18.0  |
 
-See [Output Plugins - overflow_action](../output#overflow_action) for details.
+See [Output Plugins - overflow_action](../output#overflowaction) for details.
 
 #### `path`
 
@@ -338,7 +338,7 @@ See [Buffer Plugins - file - path](../buffer/file.md#path) for details.
 | :---    | :---    | :---    |
 | integer | 10      | 1.18.0  |
 
-See [Output Plugins - flush_interval](../output#flush_interval) for details.
+See [Output Plugins - flush_interval](../output#flushinterval) for details.
 
 #### `chunk_limit_size`
 

diff --git a/deployment/zero-downtime-restart.md b/deployment/zero-downtime-restart.md
@@ -40,4 +40,4 @@ You can use this feature in the following ways.
 
 ## Plugins: how to support this feature
 
-See [How to Write Input Plugin - zero_downtime_restart_ready?](../plugin-development/api-plugin-input.md#zero_downtime_restart_ready).
+See [How to Write Input Plugin - zero_downtime_restart_ready?](../plugin-development/api-plugin-input.md#zerodowntimerestartready).
diff --git a/formatter/json.md b/formatter/json.md
@@ -19,7 +19,7 @@ Sets the library used to generate JSON. Despite its name, this parameter is for
 
 If `oj` is specified, the [`oj`](https://github.com/ohler55/oj) gem is used. The gem must be installed separately because Fluentd does not require it by default. If it is not installed, the `json` standard library is used as a fallback and it is reported in the log at the info level.
 
-Any other value, including `yajl`, selects the `json` standard library. Unlike [`json_parser`](../parser/json.md#json_parser) of the `json` parser plugin, this parameter is not restricted to a fixed list of values.
+Any other value, including `yajl`, selects the `json` standard library. Unlike [`json_parser`](../parser/json.md#jsonparser) of the `json` parser plugin, this parameter is not restricted to a fixed list of values.
 
 ### `add_newline`
 

diff --git a/input/forward.md b/input/forward.md
@@ -120,7 +120,7 @@ The connections will be disconnected right after receiving a message, if `true`.
 | :--- | :--- | :--- |
 | bool | false | 1.4.2 |
 
-Enables the TCP keepalive for sockets. See [socket article](../plugin-helper-overview/api-plugin-helper-socket.md#send_keepalive_packet-use-case) for more details.
+Enables the TCP keepalive for sockets. See [socket article](../plugin-helper-overview/api-plugin-helper-socket.md#sendkeepalivepacket-use-case) for more details.
 
 ### `chunk_size_limit`
 
@@ -421,7 +421,7 @@ $ echo -e '\x93\xa9debug.tls\xceZr\xbc1\x81\xa3foo\xa3bar' | \
   openssl s_client -connect localhost:24224
 ```
 
-If you can confirm TLS encryption has been set up correctly, please proceed to the configuration of the [`out_forward`](../output/forward.md#how-to-connect-to-a-tls-ssl-enabled-server) server.
+If you can confirm TLS encryption has been set up correctly, please proceed to the configuration of the [`out_forward`](../output/forward.md#how-to-connect-to-a-tlsssl-enabled-server) server.
 
 ### How to Enable TLS Mutual Authentication
 

diff --git a/input/http.md b/input/http.md
@@ -448,7 +448,7 @@ curl -X POST -d "$msgpack" -H 'Content-Type: application/msgpack' \
 ```
 
 Also, you can use `multipart/form-data`.
-For more details about `multipart/form-data`, please see [Why `in_http` removes '+' from my log](http.md#why-in_http-removes--from-my-log).
+For more details about `multipart/form-data`, please see [Why `in_http` removes '+' from my log](http.md#why-inhttp-removes--from-my-log).
 
 ### Handle Other Formats using Parser Plugins
 

diff --git a/input/syslog.md b/input/syslog.md
@@ -278,7 +278,7 @@ Tries to resolve hostname from IP addresses or not. Cannot set `false` when `sou
 | :--- | :--- | :--- |
 | bool | false | 1.14.0 |
 
-Enables the TCP keepalive for sockets. See [socket article](../plugin-helper-overview/api-plugin-helper-socket.md#send_keepalive_packet-use-case) for more details.
+Enables the TCP keepalive for sockets. See [socket article](../plugin-helper-overview/api-plugin-helper-socket.md#sendkeepalivepacket-use-case) for more details.
 
 ### `source_hostname_key`
 

diff --git a/input/tail.md b/input/tail.md
@@ -579,7 +579,7 @@ the default Nginx access file `/var/log/nginx/access.log` is mode `0640` and own
 this case, several options are available to allow read access:
 
 1. Add the `td-agent` user to the `adm` group, e.g. through `usermod -aG`, or
-2. Use the [`cap_dac_read_search` capability](../deployment/linux-capability.md#capability-handling-on-in_tail)
+2. Use the [`cap_dac_read_search` capability](../deployment/linux-capability.md#capability-handling-on-intail)
    to allow the invoking user to read the file without otherwise changing its permission bits or ownership.
 
 A bug exists in Fluentd 1.13.x where it may suppress warning logs about unreadable files. (See Fluentd PR [#3478](https://github.com/fluent/fluentd/pull/3478).)

diff --git a/output/forward.md b/output/forward.md
@@ -353,7 +353,7 @@ Example:
 
 You do not need any configuration in the receiving server. Data compression is auto-detected and handled transparently by the destination node.
 
-Since v1.19.3, the receiving `in_forward` limits the decompressed chunk size to 256MB by default. See [`in_forward`](../input/forward.md#decompression_size_limit) if you need to send larger chunks.
+Since v1.19.3, the receiving `in_forward` limits the decompressed chunk size to 256MB by default. See [`in_forward`](../input/forward.md#decompressionsizelimit) if you need to send larger chunks.
 
 Supported values:
 

diff --git a/parser/README.md b/parser/README.md
@@ -47,7 +47,7 @@ the default Nginx access file `/var/log/nginx/access.log` is mode `0640` and own
 this case, several options are available to allow read access:
 
 1. Add the `td-agent` user to the `adm` group, e.g. through `usermod -aG`, or
-2. Use the [`cap_dac_read_search` capability](../deployment/linux-capability.md#capability-handling-on-in_tail)
+2. Use the [`cap_dac_read_search` capability](../deployment/linux-capability.md#capability-handling-on-intail)
    to allow the invoking user to read the file without otherwise changing its permission bits or ownership.
 
 ## List of Built-in Parsers

diff --git a/parser/multiline.md b/parser/multiline.md
@@ -41,7 +41,7 @@ Specifies the regexp patterns. For readability, you can separate the regexp patt
 
 If set, the lines which do not match the patterns are emitted as a record with the `unmatched_line` field instead of being discarded.
 
-With `in_tail`, this parameter is overwritten by the value of [`emit_unmatched_lines`](../input/tail.md#emit_unmatched_lines). Set `emit_unmatched_lines` on `in_tail` instead of setting this parameter in the `<parse>` section.
+With `in_tail`, this parameter is overwritten by the value of [`emit_unmatched_lines`](../input/tail.md#emitunmatchedlines). Set `emit_unmatched_lines` on `in_tail` instead of setting this parameter in the `<parse>` section.
 
 ## Example
 

diff --git a/plugin-helper-overview/api-plugin-helper-server.md b/plugin-helper-overview/api-plugin-helper-server.md
@@ -67,7 +67,7 @@ The `&block` is invoked with the new connection as a parameter.
   * `linger_timeout`: the timeout \(seconds\) to set `SO_LINGER`
   * `recv_timeout`: the timeout \(seconds\) to set `SO_RECVTIMEO`
   * `send_timeout`: the timeout \(seconds\) to set `SO_SNDTIMEO`
-  * `send_keepalive_packet`: if `true`, enable TCP keep-alive via `SO_KEEPALIVE`. See also [socket article](api-plugin-helper-socket.md#send_keepalive_packet-use-case).
+  * `send_keepalive_packet`: if `true`, enable TCP keep-alive via `SO_KEEPALIVE`. See also [socket article](api-plugin-helper-socket.md#sendkeepalivepacket-use-case).
 
 Example:
 
@@ -119,7 +119,7 @@ The `&block` is invoked with parameter\(s\) on data.
   * `linger_timeout`: the timeout \(seconds\) to set `SO_LINGER`
   * `recv_timeout`: the timeout \(seconds\) to set `SO_RECVTIMEO`
   * `send_timeout`: the timeout \(seconds\) to set `SO_SNDTIMEO`
-  * `send_keepalive_packet`: if `true`, enable TCP keep-alive via `SO_KEEPALIVE`. See also [socket article](api-plugin-helper-socket.md#send_keepalive_packet-use-case).
+  * `send_keepalive_packet`: if `true`, enable TCP keep-alive via `SO_KEEPALIVE`. See also [socket article](api-plugin-helper-socket.md#sendkeepalivepacket-use-case).
 
 Code example:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -40,4 +40,4 @@ You can use this feature in the following ways.

		## Plugins: how to support this feature

		See [How to Write Input Plugin - zero_downtime_restart_ready?](../plugin-development/api-plugin-input.md#zero_downtime_restart_ready).
		See [How to Write Input Plugin - zero_downtime_restart_ready?](../plugin-development/api-plugin-input.md#zerodowntimerestartready).