src/talks.{rec,sh}: {-=>_}

Older versons of recutils were okay with dashes, but that seems to have
changed.

src/talks.rec

@@ -25,11 +25,11 @@ abstract: Privacy, security, and personal freedom: one cannot be had without the
 + overview of mitigations; and dozens of resources for further research
 + and discussion with others. No prior knowledge of security or
 + cryptography are necessary.
-video-url: https://media.libreplanet.org/u/libreplanet/m/the-surreptitious-assault-on-privacy-security-and-freedom/
+video_url: https://media.libreplanet.org/u/libreplanet/m/the-surreptitious-assault-on-privacy-security-and-freedom/
 link: /talks/sapsf.pdf Slides
 link: /projects/sapsf/plain/sapsf.bib Bibliography
 link: /projects/sapsf/ Source Code
-event-link: https://libreplanet.org/2017
+event_link: https://libreplanet.org/2017
 
 
 id: cs4m
@@ -51,10 +51,10 @@ abstract: Words like "wizardry" and "incantation" have long been used to describ
 + This session demonstrates a range of practical possibilities when
 + machine acts as an extension of the user's imagination, for the technical
 + and nontechnical alike.
-video-url: https://media.libreplanet.org/u/libreplanet/m/computational-symbiosis-methods-that-meld-mind-and-machine/
+video_url: https://media.libreplanet.org/u/libreplanet/m/computational-symbiosis-methods-that-meld-mind-and-machine/
 link: /talks/cs4m.pdf Slides
 link: /projects/cs4m/ Source Code
-event-link: https://libreplanet.org/2019
+event_link: https://libreplanet.org/2019
 
 
 id: ethics-void
@@ -75,10 +75,10 @@ abstract: Many communities have widely adopted codes of ethics governing the
 + derive a code of ethics that compares to the moral obligations of other
 + fields, and to consider how leaders and educators should approach ethics
 + within education and guidance.
-video-url: https://media.libreplanet.org/u/libreplanet/m/the-ethics-void/
+video_url: https://media.libreplanet.org/u/libreplanet/m/the-ethics-void/
 link: /talks/ethics-void.pdf Slides
 link: /projects/ethics-void/ Source Code
-event-link: https://libreplanet.org/2018
+event_link: https://libreplanet.org/2018
 
 
 id: online-freedom
@@ -103,7 +103,7 @@ abstract: Imagine a world where surveillance is the default and users must
 + to their phones, to their TVs and beyond. But before we can stand up and
 + demand back our freedoms, we must understand what we’re being robbed of, how
 + it’s being done, and what can (or can’t) be done to stop it.
-video-url: https://media.libreplanet.org/u/libreplanet/m/restore-online-freedom/
+video_url: https://media.libreplanet.org/u/libreplanet/m/restore-online-freedom/
 link: https://media.libreplanet.org/u/libreplanet/m/restore-online-freedom-14bf/ Slides
 link: /projects/online-freedom/ Source Code
-event-link: https://libreplanet.org/2016
+event_link: https://libreplanet.org/2016

src/talks.sh

@@ -60,8 +60,8 @@ abstract()
   locimg=$( talk-field "$id" locimg )
   date=$( talk-field "$id" date )
   abstract=$( talk-field "$id" abstract )
-  url=$( talk-field "$id" video-url || echo "#$id" )
-  event_link=$( talk-field "$id" event-link )
+  url=$( talk-field "$id" video_url || echo "#$id" )
+  event_link=$( talk-field "$id" event_link )
   links=$( talk-field "$id" link )
 
   local abstract_html