Fix duplicated words and typos in comments and user guide

24 jobs for master in 1124 minutes and 19 seconds (queued for 16 seconds)
Status Job ID Name Coverage
  Lint
passed #381004
lint
lint-linters

00:00:14

failed #381007
lint allowed to fail
lint-submods

00:00:13

passed #381008
lint
lint-submods-branch

00:00:21

passed #381005
lint
lint-testsuite

00:00:16

passed #381006
lint
typecheck-testsuite

00:00:15

 
  Quick Build
passed #381009
x86_64-linux
hadrian-ghc-in-ghci

00:28:41

 
  Build
passed #381010
x86_64-linux
validate-x86_64-linux-deb9-hadrian

01:46:25

 
  Full Build
failed #381013
aarch64-linux allowed to fail
validate-aarch64-linux-deb9

03:11:25

failed #381014
armv7-linux allowed to fail
validate-armv7-linux-deb9

03:54:57

passed #381015
x86_64-linux
validate-i386-linux-deb9

01:40:54

failed #381022
new-x86_64-windows test allowed to fail
validate-i386-windows

00:02:12

passed #381012
x86_64-darwin
validate-x86_64-darwin

01:09:37

passed #381016
x86_64-linux
validate-x86_64-linux-deb9-debug

02:23:22

passed #381018
x86_64-linux
validate-x86_64-linux-deb9-dwarf

02:14:22

passed #381017
x86_64-linux
validate-x86_64-linux-deb9-integer-simple

01:49:29

passed #381011
x86_64-linux
validate-x86_64-linux-deb9-unreg-hadrian

03:20:18

passed #381019
x86_64-linux
validate-x86_64-linux-fedora27

01:49:52

failed #381021
new-x86_64-windows test allowed to fail
validate-x86_64-windows

12:05:03

failed #381020
new-x86_64-windows test allowed to fail
validate-x86_64-windows-hadrian

12:05:03

 
  Cleanup
passed #381023
x86_64-darwin
cleanup-darwin

00:00:12

 
  Packaging
failed #381024
x86_64-linux allowed to fail
doc-tarball

00:00:16

 
  Testing
manual #381025
x86_64-linux allowed to fail manual
hackage
passed #381026
x86_64-linux
perf-nofib

00:40:39

 
  Deploy
failed #381027
x86_64-linux allowed to fail
pages

00:01:36

 
Name Stage Failure
failed
lint-submods Lint
Entering 'libraries/unix'
Entering 'libraries/xhtml'
Entering 'nofib'
Entering 'utils/haddock'
Entering 'utils/hsc2hs'
Authenticating with credentials from job payload (GitLab Registry)
$ git fetch "$CI_MERGE_REQUEST_PROJECT_URL" $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
fatal: No path specified. See 'man git-pull' for valid url syntax
ERROR: Job failed: exit code 1
failed
pages Deploy
Entering 'nofib'
Entering 'utils/haddock'
Entering 'utils/hsc2hs'
Executing "step_script" stage of the job script
$ mkdir -p public/doc
$ tar -xf haddock.html.tar.xz -C public/doc
tar: haddock.html.tar.xz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
ERROR: Job failed: exit code 1
failed
validate-aarch64-linux-deb9 Full Build
Uploading artifacts...
ghc-aarch64-linux-deb9.tar.xz: found 1 matching files and directories

junit.xml: found 1 matching files and directories

performance-metrics.tsv: found 1 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=381013 responseStatus=201 Created token=hkv_VzT_
Uploading artifacts...
junit.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=381013 responseStatus=201 Created token=hkv_VzT_
ERROR: Job failed: exit code 1
failed
validate-i386-windows Full Build
Git branch:   13-1-stable
GO version: go1.13.8
Built: 2020-06-19T21:12:23+0000
OS/Arch: windows/amd64
Uploading artifacts...
Runtime platform
arch=amd64 os=windows pid=4012 revision=6214287e version=13.1.0
WARNING: junit.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit status 1
failed
validate-armv7-linux-deb9 Full Build
Uploading artifacts...
ghc-armv7-linux-deb9.tar.xz: found 1 matching files

junit.xml: found 1 matching files

performance-metrics.tsv: found 1 matching files

Uploading artifacts to coordinator... ok
id=381014 responseStatus=201 Created token=LEsGhanR
Uploading artifacts...
junit.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=381014 responseStatus=201 Created token=LEsGhanR
ERROR: Job failed: exit code 1
failed
validate-x86_64-windows Full Build The script exceeded the maximum execution time set for the job
Host key verification failed.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
WARNING: Failed to terminate process: exit status 128
WARNING: Failed to force-kill: exit status 128
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 12h0m0s seconds
failed
validate-x86_64-windows-hadrian Full Build The script exceeded the maximum execution time set for the job
Host key verification failed.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
WARNING: Failed to terminate process: exit status 128
WARNING: Failed to force-kill: exit status 128
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 12h0m0s seconds
failed
doc-tarball Packaging
Entering 'utils/haddock'
Entering 'utils/hsc2hs'
Downloading artifacts
Downloading artifacts for validate-x86_64-linux-deb9-debug (381016)...
Downloading artifacts from coordinator... ok
id=381016 responseStatus=200 OK token=j5q1QjiG
Executing "step_script" stage of the job script
$ if [ ! -f "$LINUX_BINDIST" ]; then # collapsed multi-line command
Error: ghc-x86_64-mingw32.tar.xz does not exist. Did the 64-bit Windows job fail?
ERROR: Job failed: exit code 1