pandoc: add empty 'c' key

mgeier · mgeier · commit a073355d6a29 · 2018-12-22T10:57:37.000+01:00
Older pandoc versions produce an error message in that case:

    pandoc: Error in $[2][0]: key "c" not present
diff --git a/src/nbsphinx.py b/src/nbsphinx.py
@@ -1098,7 +1098,7 @@ def object_hook(obj):
             obj['c'] = [{
                 't': 'Math',
                 'c': [
-                    {'t': 'DisplayMath'},
+                    {'t': 'DisplayMath', 'c': []},
                     # Special marker characters are removed below:
                     '\x0e:nowrap:\x0f\n\n' + obj['c'][1],
                 ]

Original file line number	Diff line number	Diff line change
`@@ -1098,7 +1098,7 @@ def object_hook(obj):`
`1098`	`1098`	`obj['c'] = [{`
`1099`	`1099`	`'t': 'Math',`
`1100`	`1100`	`'c': [`
`1101`		`- {'t': 'DisplayMath'},`
	`1101`	`+ {'t': 'DisplayMath', 'c': []},`
`1102`	`1102`	`# Special marker characters are removed below:`
`1103`	`1103`	`'\x0e:nowrap:\x0f\n\n' + obj['c'][1],`
`1104`	`1104`	`]`