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hyukjinkwon authored
# What changes were proposed in this pull request? It seems there are several non-breaking spaces were inserted into several `.md`s and they look breaking rendering markdown files. These are different. For example, this can be checked via `python` as below: ```python >>> " " '\xc2\xa0' >>> " " ' ' ``` _Note that it seems this PR description automatically replaces non-breaking spaces into normal spaces. Please open a `vi` and copy and paste it into `python` to verify this (do not copy the characters here)._ I checked the output below in Sapari and Chrome on Mac OS and, Internal Explorer on Windows 10. **Before** ![2017-04-03 12 37 17](https://cloud.githubusercontent.com/assets/6477701/24594655/50aaba02-186a-11e7-80bb-d34b17a3398a.png) ![2017-04-03 12 36 57](https://cloud.githubusercontent.com/assets/6477701/24594654/50a855e6-186a-11e7-94e2-661e56544b0f.png) **After** ![2017-04-03 12 36 46](https://cloud.githubusercontent.com/assets/6477701/24594657/53c2545c-186a-11e7-9a73-00529afbfd75.png) ![2017-04-03 12 36 31](https://cloud.githubusercontent.com/assets/6477701/24594658/53c286c0-186a-11e7-99c9-e66b1f510fe7.png) ## How was this patch tested? Manually checking. These instances were found via ``` grep --include=*.scala --include=*.python --include=*.java --include=*.r --include=*.R --include=*.md --include=*.r -r -I " " . ``` in Mac OS. It seems there are several instances more as below: ``` ./docs/sql-programming-guide.md: │ ├── ... ./docs/sql-programming-guide.md: │ │ ./docs/sql-programming-guide.md: │ ├── country=US ./docs/sql-programming-guide.md: │ │ └── data.parquet ./docs/sql-programming-guide.md: │ ├── country=CN ./docs/sql-programming-guide.md: │ │ └── data.parquet ./docs/sql-programming-guide.md: │ └── ... ./docs/sql-programming-guide.md: ├── ... ./docs/sql-programming-guide.md: │ ./docs/sql-programming-guide.md: ├── country=US ./docs/sql-programming-guide.md: │ └── data.parquet ./docs/sql-programming-guide.md: ├── country=CN ./docs/sql-programming-guide.md: │ └── data.parquet ./docs/sql-programming-guide.md: └── ... ./sql/core/src/test/README.md:│ ├── *.avdl # Testing Avro IDL(s) ./sql/core/src/test/README.md:│ └── *.avpr # !! NO TOUCH !! Protocol files generated from Avro IDL(s) ./sql/core/src/test/README.md:│ ├── gen-avro.sh # Script used to generate Java code for Avro ./sql/core/src/test/README.md:│ └── gen-thrift.sh # Script used to generate Java code for Thrift ``` These seems generated via `tree` command which inserts non-breaking spaces. They do not look causing any problem for rendering within code blocks and I did not fix it to reduce the overhead to manually replace it when it is overwritten via `tree` command in the future. Author: hyukjinkwon <gurwls223@gmail.com> Closes #17517 from HyukjinKwon/non-breaking-space.
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