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faq: character droppings
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doc/faq.txt
34
doc/faq.txt
@ -3,7 +3,7 @@ Frequently Asked Questions
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:Description: FAQ for the ELinks project
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This is an attempt to capture some of the questions that appear once in a
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while on the mailing list.
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while on the mailing list or on IRC.
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[[instances]]
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@ -142,3 +142,35 @@ The new ELinks versions (from 0.9.0 on) send:
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You should therefore check against something like /^ELinks[\/ ]/, since more
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fields can be added inside the parenthesis in subsequent versions. Note that
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users can change their User-Agent through the options system.
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[[droppings]]
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ELinks doesn't erase characters from the screen when it should
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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When you scroll a web page, you may see ELinks leave some characters
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on the screen even though it should have erased them. Pressing Ctrl+L
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usually removes these droppings until you scroll again. There are
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a few possible reasons:
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- ELinks 0.11.* in a UTF-8 locale. By default, ELinks guesses the
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charset of the terminal from the environment variables LANG,
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LC_CTYPE, and LC_ALL. ELinks 0.11 versions do not support UTF-8
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as this charset. To use ELinks 0.11 on a UTF-8 terminal, you
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should instead enable UTF-8 I/O via the Setup -> Terminal options
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dialog box, and choose a charset from Setup -> Character set.
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This limitation has been removed in ELinks 0.12pre1.
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- Web pages may use nonspacing combining characters or Unicode control
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characters, which ELinks does not support. This happens especially
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on http://en.wikipedia.org/wiki/Special:Recentchanges[], where the
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server generates U+200E LEFT-TO-RIGHT MARK characters.
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ELinks 0.13.GIT now has some support for these characters; see
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http://bugzilla.elinks.or.cz/show_bug.cgi?id=824[ELinks bug 824].
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- Some versions of the Terminal application in Mac OS X appear to
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have a setting that makes line-drawing characters take up the
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space of two ASCII letters. ELinks does not expect this.
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To avoid the incompatibility, either disable the setting in the
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Terminal application or select "No frames" in the Terminal options
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dialog box of ELinks.
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