Reorganize paperspec commands and pin dependency versions (#2)

Reviewed-on: #2

spec/01-conventions.md

@@ -46,7 +46,7 @@ Stored text is kept exactly as witnessed; normalization applies only when a valu
 The vectors in `normalize.jsonl` cover the cases, including the angstrom sign, which NFC turns into Å.
 
 Normalization forms, General Categories and the `White_Space` property are those of Unicode 16.0.
-A later Unicode version can change a decomposition or a category, and with it a hash, so an implementation states the Unicode version its character data comes from, the reference tools refuse to run on another, and moving the formats to a later version is a change to every format that hashes text ([0.3](00-introduction.md#03-format-identifiers-and-versions)).
+A later Unicode version can change a decomposition or a category, and with it a hash, so an implementation states the Unicode version its character data comes from, the reference implementation refuses to import on another, and moving the formats to a later version is a change to every format that hashes text ([0.3](00-introduction.md#03-format-identifiers-and-versions)).
 
 ## 1.5 Character offsets