Version: 4.14.2 from Kubuntu Backports
As bug title, attached screenshot and manpage source-code.


Reproducible: Always

Steps to Reproduce:
1. Open Konqueror
2. Browse `man:/pklocalauthority`
3. Checkout "EVALUATION ORDER" chapter/section

Actual Results:  
The line-drawing symbol characters are garbled

Expected Results:  
The line-drawing symbol characters draws correctly as in the man command


* Operating System Distribution
  * Ubuntu 14.04LTS
* Locale
  * ```
$ locale
LANG=zh_TW.UTF-8
LANGUAGE=zh_TW:zh_HK:zh:en_US:en
LC_CTYPE="zh_TW.UTF-8"
LC_NUMERIC=zh_TW.UTF-8
LC_TIME=zh_TW.UTF-8
LC_COLLATE="zh_TW.UTF-8"
LC_MONETARY=zh_TW.UTF-8
LC_MESSAGES="zh_TW.UTF-8"
LC_PAPER=zh_TW.UTF-8
LC_NAME=zh_TW.UTF-8
LC_ADDRESS=zh_TW.UTF-8
LC_TELEPHONE=zh_TW.UTF-8
LC_MEASUREMENT=zh_TW.UTF-8
LC_IDENTIFICATION=zh_TW.UTF-8
LC_ALL=
  ```