history-tree | An interactive history tree for undo/redo/reset/revisit | Dataset library
kandi X-RAY | history-tree Summary
kandi X-RAY | history-tree Summary
An interactive history tree for undo/redo/reset/revisit in javascript
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of history-tree
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QUESTION
I am trying to read files using Common Lisp with-open-file
. In my environment, I am using SBCL, Emacs, and Slime.
I can open files like this one (bookmarks-to-read.lisp) using:
...ANSWER
Answered 2021-Jun-06 at 08:54Package HISTORY-TREE does not exist
That message is clear: the package HISTORY-TREE
does not exist. But you try to read symbols into this non-existent package, for example HISTORY-TREE:OWNER
.
Every package which is mentioned in a printed symbol in that file needs to exist, before one can successfully read the file.
The default Common Lisp reader does not create packages on the fly by just reading symbols.
Example:
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