A reasonably busy cycle for documentation this time around. There is a new

guide for user-space API documents, rather sparsely populated at the
 moment, but it's a start.  Markus improved the infrastructure for
 converting diagrams.  Mauro has converted much of the USB documentation
 over to RST.  Plus the usual set of fixes, improvements, and tweaks.
 
 There's a bit more than the usual amount of reaching out of Documentation/
 to fix comments elsewhere in the tree; I have acks for those where I could
 get them.
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Merge tag 'docs-4.12' of git://git.lwn.net/linux

Pull documentation update from Jonathan Corbet:
 "A reasonably busy cycle for documentation this time around. There is a
  new guide for user-space API documents, rather sparsely populated at
  the moment, but it's a start. Markus improved the infrastructure for
  converting diagrams. Mauro has converted much of the USB documentation
  over to RST. Plus the usual set of fixes, improvements, and tweaks.

  There's a bit more than the usual amount of reaching out of
  Documentation/ to fix comments elsewhere in the tree; I have acks for
  those where I could get them"

* tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits)
  docs: Fix a couple typos
  docs: Fix a spelling error in vfio-mediated-device.txt
  docs: Fix a spelling error in ioctl-number.txt
  MAINTAINERS: update file entry for HSI subsystem
  Documentation: allow installing man pages to a user defined directory
  Doc/PM: Sync with intel_powerclamp code behavior
  zr364xx.rst: usb/devices is now at /sys/kernel/debug/
  usb.rst: move documentation from proc_usb_info.txt to USB ReST book
  convert philips.txt to ReST and add to media docs
  docs-rst: usb: update old usbfs-related documentation
  arm: Documentation: update a path name
  docs: process/4.Coding.rst: Fix a couple of document refs
  docs-rst: fix usb cross-references
  usb: gadget.h: be consistent at kernel doc macros
  usb: composite.h: fix two warnings when building docs
  usb: get rid of some ReST doc build errors
  usb.rst: get rid of some Sphinx errors
  usb/URB.txt: convert to ReST and update it
  usb/persist.txt: convert to ReST and add to driver-api book
  usb/hotplug.txt: convert to ReST and add to driver-api book
  ...

Documentation/filesystems/ext4.txt

@@ -25,7 +25,7 @@ Note: More extensive information for getting started with ext4 can be
 	
 	or
 
-    ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/
+    https://www.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/
 
 	or grab the latest git repository from:
 

Documentation/filesystems/nfs/nfs-rdma.txt

@@ -110,10 +110,10 @@ Installation
   - Install a Linux kernel with NFS/RDMA
 
     The NFS/RDMA client and server are both included in the mainline Linux
-    kernel version 2.6.25 and later. This and other versions of the 2.6 Linux
+    kernel version 2.6.25 and later. This and other versions of the Linux
     kernel can be found at:
 
-    ftp://ftp.kernel.org/pub/linux/kernel/v2.6/
+    https://www.kernel.org/pub/linux/kernel/
 
     Download the sources and place them in an appropriate location.