Dear all,
responding to a forum post
(http://forum.texmacs.cn/t/unable-to-fold-back-unfold-inside-macro/1281),
I defined two fold/unfold macros in the following way
<assign|folded-sol|<\macro|y>
<\render-folded-std|<unfold-button|<resize|<with|mode|math|<op|\<circ\>>>|||<maximum|1r|1.5fn>|>|<with|font-series|bold|solution>>>
<with|font-series|bold|solution>
<hidden|<arg|y>>
</render-folded-std>
</macro>>
<assign|unfolded-sol|<\macro|y>
<\render-folded-std|<fold-button|<resize|<with|mode|math|\<bullet\>>|||<maximum|1r|1.5fn>|>|<with|font-series|bold|solution>>>
<with|font-series|bold|solution>
<arg|y>
</render-folded-std>
</macro>>
together with
(define-fold folded-sol unfolded-sol)
The two macros turn into each other when pressing over the fold/unfold
button, but the code gives the following error when unfolding (but not
when folding):
Backtrace:
In unknown file:
?: 0* [#<procedure {#f} ()>]
?: 1* [mouse-unfold <tree <with|font-series|bold|solution>>]
In
/home/giovanni/Downloads/TeXmacs/TeXmacs-2.1.1-x86_64-pc-linux-gnu/TeXmacs/progs/utils/edit/variants.scm:
223: 2 (if (tree->path t) (begin (tree-go-to t #) (if # #)))
In
/home/giovanni/Downloads/TeXmacs/TeXmacs-2.1.1-x86_64-pc-linux-gnu/TeXmacs/progs/dynamic/fold-edit.scm:
...
143: 3 [players-set-elapsed {#f} 0.0]
/home/giovanni/Downloads/TeXmacs/TeXmacs-2.1.1-x86_64-pc-linux-gnu/TeXmacs/progs/dynamic/fold-edit.scm:143:7:
In procedure players-set-elapsed in expression (players-set-elapsed
(tree-ref t i) 0.0):
/home/giovanni/Downloads/TeXmacs/TeXmacs-2.1.1-x86_64-pc-linux-gnu/TeXmacs/progs/dynamic/fold-edit.scm:143:7:
Wrong type argument in position 1: #f
Could someone give me a hint on what to look out for / how to correct
the code?
Giovanni
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