Nicolas Cellier uploaded a new version of ShoutTests to project The Trunk:
http://source.squeak.org/trunk/ShoutTests-nice.27.mcz

==================== Summary ====================

Name: ShoutTests-nice.27
Author: nice
Time: 7 April 2019, 2:43:38.674687 pm
UUID: 3f8b54af-406e-40fe-9666-d3101106a25f
Ancestors: ShoutTests-ul.26

Expression like 1to:-1 are valid Smalltalk syntax, even without spaces.
Document that with a shout test.

Note that Shout currently refuses this syntax.
This works with a space after the colon

    1to: -1

=============== Diff against ShoutTests-ul.26 ===============

Item was added:
+ ----- Method: SHParserST80Test>>testNegativeNumberWithoutSpace (in category 'tests') -----
+ testNegativeNumberWithoutSpace
+ 	| types tokens s |
+ 	s := 'x 1to:-1'.
+ 	types := self tokenTypesIn: s.
+ 	tokens := self tokensIn: s. 
+ 	self assert: types = #(#patternUnary #number #keyword #- #number).
+ 	self assert: tokens = #('x' '1' 'to:' '-' '1').!