Fix up cheat sheets

_includes/cheatsheet-text-plaintext.md

@@ -4,6 +4,8 @@ Value         :=  ws (Record | Collection | Atom | Embedded | Annotated)
 Collection    :=  Sequence | Dictionary | Set
 Atom          :=  Boolean | ByteString | String | QuotedSymbol | Symbol | Number
 ws            :=  (space | tab | cr | lf | `,`)*
+delimiter     :=  ws | `<` | `>` | `[` | `]` | `{` | `}`
+                     | `#` | `:` | `"` | `|` | `@` | `;`
 
 Record        :=  `<` Value+ ws `>`
 Sequence      :=  `[` Value* ws `]`

_includes/cheatsheet-text.md

@@ -4,6 +4,7 @@
 | *Collection* | := | *Sequence* | *Dictionary* | *Set* |
 | *Atom* | := | *Boolean* | *ByteString* | *String* | *QuotedSymbol* | *Symbol* | *Number* |
 | **ws** | := | (**space** &#124; **tab** &#124; **cr** &#124; **lf** &#124;`,`)<sup>⋆</sup> |
+| **delimiter** | := | **ws** &#124; `<` &#124; `>` &#124; `[` &#124; `]` &#124; `{` &#124; `}` &#124; `#` &#124; `:` &#124; `"` &#124; `|` &#124; `@` &#124; `;` |
 
 {:.postcard-grammar.textsyntax}
 | *Record* | := | `<`*Value*<sup>+</sup> **ws**`>` |

git-hooks/pre-commit

@@ -3,7 +3,15 @@
 set -e
 exec 1>&2
 
-COMMAND=cmp
+failed=
+cmp_and_fail() {
+    if ! cmp "$1" "$2"
+    then
+        failed=failed
+    fi
+}
+
+COMMAND=cmp_and_fail
 if [ "$1" = "--fix" ];
 then
     COMMAND=cp
@@ -38,3 +46,5 @@ ${COMMAND} _includes/cheatsheet-text-plaintext.md implementations/rust/preserves
 ${COMMAND} _includes/value-grammar.md implementations/rust/preserves/doc/value-grammar.md
 
 ${COMMAND} _includes/what-is-preserves-schema.md implementations/rust/preserves-schema/doc/what-is-preserves-schema.md
+
+[ -z "$failed" ]

implementations/rust/preserves/doc/cheatsheet-text-plaintext.md

@@ -4,6 +4,8 @@ Value         :=  ws (Record | Collection | Atom | Embedded | Annotated)
 Collection    :=  Sequence | Dictionary | Set
 Atom          :=  Boolean | ByteString | String | QuotedSymbol | Symbol | Number
 ws            :=  (space | tab | cr | lf | `,`)*
+delimiter     :=  ws | `<` | `>` | `[` | `]` | `{` | `}`
+                     | `#` | `:` | `"` | `|` | `@` | `;`
 
 Record        :=  `<` Value+ ws `>`
 Sequence      :=  `[` Value* ws `]`