MDL-36874 mod_book: Add uarrow() output renderer.
authorDavid Balch <david.balch@conted.ox.ac.uk>
Tue, 28 Oct 2014 09:29:28 +0000 (09:29 +0000)
committerDavid Balch <david.balch@conted.ox.ac.uk>
Tue, 28 Oct 2014 09:29:28 +0000 (09:29 +0000)
commit7b2eff28862cb192298c13c8d60c31795ce7d136
tree49a783577161eb1ad1d0152e6e92cad5e75fc09c
parentd63a81c507d52d9d130ee48dc0e5ec73bc7a2e52
MDL-36874 mod_book: Add uarrow() output renderer.

In preparation for Book navigation improvements in MDL-36874, this commit
adds a uarrow() output renderer, to complement rarrow() and larrow().
lib/outputlib.php
lib/outputrenderers.php