Use IDENT to specify that name must be an identifier

Author: casey

text/0000-doctest-name.md

@@ -7,7 +7,7 @@
 [summary]: #summary
 
 Allow giving documentation tests names for identification in test runner
-output by including `name=NAME` in doctest code block info strings.
+output by including `name=IDENT` in doctest code block info strings.
 
 # Motivation
 [motivation]: #motivation
@@ -52,8 +52,8 @@ test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
 ```
 
 If you'd like to have the test runner print a more informative name, perhaps
-because there are many doctests in a single file, you can put `name=NAME`,
-where `NAME` is the name the test should have, in the doctest's info string.
+because there are many doctests in a single file, you can put `name=IDENT`,
+where `IDENT` is the name the test should have, in the doctest's info string.
 
 
 ````rust
@@ -77,18 +77,18 @@ test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
 [reference-level-explanation]: #reference-level-explanation
 
 The set of valid words that may appear in code block info strings is extended
-to include patterns of the form `name=NAME`.
+to include patterns of the form `name=IDENT`.
 
-This `NAME` will be the name of the documentation test generated by the code
+This `IDENT` will be the name of the documentation test generated by the code
 block.
 
 When the test runner runs the documentation test, the test will be identified
 by this name, in addition to the test binary, module, and line number.
 
-Multiple `name=NAME` words may not appear in a single code block's info
+Multiple `name=IDENT` words may not appear in a single code block's info
 string.
 
-`name=NAME` may be combined with existing annotations like `rust` or
+`name=IDENT` may be combined with existing annotations like `rust` or
 `should_panic` by separating the annotations with commas:
 
 ````