Change Details

**Steps to replicate the issue** (include links if applicable): In the Wikidata Query Service (https://query.wikidata.org/){F35423485}, If you want to negate a predicate (e.g. "!wdt:P31" for "not instance of") or reverse a predicate (e.g. "^wdt:P921" for "is main subject of") then autocomplete does not work. 1. take a SELECT {} template 2. start a query 3. type "^wdt:instan" and try to autocomplete **What happens?**: What happens is that it reports it does not know the "^wdt" namespace. **What should have happened instead?**: It should be aware of the ! and ^ modifiers and remove that in the namespace lookup. **Other information** (browser name/version, screenshots, etc.): Browser: Brave

**Steps to replicate the issue** (include links if applicable): In the Wikidata Query Service (https://query.wikidata.org/), If you want to negate a predicate (e.g. "!wdt:P31" for "not instance of") or reverse a predicate (e.g. "^wdt:P921" for "is main subject of") then autocomplete does not work. 1. take a SELECT {} template 2. start a query 3. type "^wdt:instan" and try to autocomplete **What happens?**: What happens is that it reports it does not know the "^wdt" namespace. **What should have happened instead?**: It should be aware of the ! and ^ modifiers and remove that in the namespace lookup. **Other information** (browser name/version, screenshots, etc.): Browser: Brave

**Steps to replicate the issue** (include links if applicable): In the Wikidata Query Service (https://query.wikidata.org/){F35423485}, If you want to negate a predicate (e.g. "!wdt:P31" for "not instance of") or reverse a predicate (e.g. "^wdt:P921" for "is main subject of") then autocomplete does not work. 1. take a SELECT {} template 2. start a query 3. type "^wdt:instan" and try to autocomplete **What happens?**: What happens is that it reports it does not know the "^wdt" namespace. **What should have happened instead?**: It should be aware of the ! and ^ modifiers and remove that in the namespace lookup. **Other information** (browser name/version, screenshots, etc.): Browser: Brave