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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33106 a592a061-630c-0410-9148-cb99ea01b6c8
731 lines
15 KiB
Plaintext
731 lines
15 KiB
Plaintext
#LyX 2.0.0svn created this file. For more info see http://www.lyx.org/
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\lyxformat 376
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\begin_document
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\begin_header
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\textclass amsart
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\use_default_options false
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\begin_modules
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theorems-ams
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eqs-within-sections
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figs-within-sections
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\use_amsmath 1
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\use_esint 1
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\use_mhchem 1
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\cite_engine basic
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\use_bibtopic false
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\use_indices false
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\paperorientation portrait
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\suppress_date false
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\index Index
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\shortcut idx
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\color #008000
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\end_index
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\secnumdepth 3
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\tocdepth 3
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\paragraph_separation indent
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\paragraph_indentation default
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\quotes_language english
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\papercolumns 1
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\papersides 1
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\paperpagestyle default
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\tracking_changes false
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\output_changes false
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\html_use_mathml true
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\html_be_strict true
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\end_header
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\begin_body
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\begin_layout Title
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Advanced Find&Replace
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\end_layout
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\begin_layout Author
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by the LyX Team
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\end_layout
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\begin_layout Section
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Introduction
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\end_layout
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\begin_layout Standard
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The Advanced Find&Replace feature
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\begin_inset Foot
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status collapsed
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\begin_layout Plain Layout
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For suggestions, comments or clarification requests regarding this document,
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as well as for notifying possible issues or bugs arising from the use of
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this feature, please use the standard support channels of LyX (i.e., bug
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tracking and mailing lists).
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\end_layout
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\end_inset
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of LyX allows for searching of complex, format-sensitive text segments
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and mathematics contents within LyX documents.
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This constitutes an enhancement of the standard (quick) Find&Replace feature.
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\end_layout
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\begin_layout Standard
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The set of capabilities of the
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\begin_inset Quotes eld
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\end_inset
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Find
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\begin_inset Quotes erd
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\end_inset
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part of the enhanced Find&Replace feature may be summarised as follows:
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\end_layout
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\begin_layout Itemize
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the text to search for is entered by means of a full-featured LyX mini-editor;
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\end_layout
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\begin_layout Itemize
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searching of the entered text occurs both within text and within mathematical
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formulas possibly present in the document;
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\end_layout
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\begin_layout Itemize
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both searching of text and of mathematical formulas is allowed, where the
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latter is done by entering mathematics in the usual way the LyX user is
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accustomed to do; not only entire mathematical formulas are found, but
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also parts occurring within more complex formulas;
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\end_layout
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\begin_layout Itemize
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both case-sensitive and case-insensitive search is possible;
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\end_layout
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\begin_layout Itemize
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search may be restricted so as to match only at word-boundaries;
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\end_layout
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\begin_layout Itemize
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search may be format-insensitive, so that the searched text is found in
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any context/style (standard text, section headings, notes, and even mathematics
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), or it may be format-sensitive, so that, for example, a word entered with
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a section heading will only be found within section headings;
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\end_layout
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\begin_layout Itemize
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search may be widened to a specific
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\emph on
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scope
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\emph default
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, i.e., a set of files which may be all the children of the document being
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edited, all the open files, or all the manuals available from the
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\noun on
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Help
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\noun default
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menu.
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\end_layout
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\begin_layout Standard
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The set of capabilities related to the
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\begin_inset Quotes eld
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\end_inset
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Replace
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\begin_inset Quotes erd
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\end_inset
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part of the Find&Replace feature may be summarised as follows:
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\end_layout
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\begin_layout Itemize
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the replaced text may be entered by means of a full-featured LyX mini-editor;
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\end_layout
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\begin_layout Itemize
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replace may optionally preserve capitalisation, so that the replaced text
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capitalisation is adapted so as to mimic the one of the matching text (i.e.,
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all lowercase, all uppercase, first uppercase followed by lowercase).
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\end_layout
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\begin_layout Standard
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The Advanced Find&Replace feature is activated with a set of default options
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which is suitable for the most common needs.
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A detailed discussion of the available options follows in Sections
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\begin_inset space ~
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\end_inset
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "sec:Basic-usage"
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\end_inset
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and
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\begin_inset space ~
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\end_inset
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "sec:Advanced-usage"
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\end_inset
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.
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\end_layout
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\begin_layout Section
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\begin_inset CommandInset label
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LatexCommand label
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name "sec:Basic-usage"
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\end_inset
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Basic usage
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\end_layout
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\begin_layout Standard
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The advanced Find&Replace feature of LyX is activated through the [C-S-f]
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sequence (Ctrl+Shift+f), or through the
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\noun on
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Edit->Find&Replace (Advanced)
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\noun default
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menù item.
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This causes the Advanced Find&Replace dialog to show up, as shown in Figure
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\begin_inset space ~
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\end_inset
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "fig:AdvancedFindReplaceDialog"
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\end_inset
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.
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\begin_inset Wrap figure
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lines 0
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placement O
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overhang 0in
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width "40col%"
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status open
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\begin_layout Plain Layout
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\begin_inset Graphics
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filename clipart/AdvancedFindAndReplace.png
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lyxscale 60
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\begin_inset Caption
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\begin_layout Plain Layout
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\begin_inset CommandInset label
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LatexCommand label
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name "fig:AdvancedFindReplaceDialog"
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\end_inset
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The Advanced Find&Replace Dialog.
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\end_layout
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Subsection
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Searching for text
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\end_layout
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\begin_layout Standard
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Enter into the
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\noun on
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Find...
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\noun default
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LyX mini-editor a simple word, and search for occurrences of it by clicking
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on the
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\noun on
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Next
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\noun default
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button below it (or just pressing the
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\noun on
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[Return]
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\noun default
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or
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\noun on
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[Enter
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\noun default
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] keys).
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The entered word is found both in text mode and in math mode, and both
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in emphasized, bold or normal face, and both in section titles and in standard
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text.
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Pressing repeatedly
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\noun on
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[Enter]
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\noun default
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keeps searching forward.
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Similarly, pressing
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\noun on
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[Shift+Enter]
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\noun default
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searches for the entered text backwards.
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\end_layout
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\begin_layout Standard
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While searching, the
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\noun on
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case sensitive
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\noun default
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option allows matches to occur only with the same case as entered in the
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\noun on
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Find...
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\noun default
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box.
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The
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\noun on
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whole words
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\noun default
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option allows matches to occur only at word boundaries.
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\end_layout
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\begin_layout Subsection
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Searching for mathematics
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\end_layout
|
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\begin_layout Standard
|
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Mathematical formulas may be searched for by typing in the
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\noun on
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Find...
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\noun default
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mini-editor a mathematical formula, such as
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\begin_inset Formula $x^{2}$
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\end_inset
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or also something more complex like
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\begin_inset Formula $\frac{x^{2}}{1+x^{2}}$
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\end_inset
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.
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When searching for such formula, it is found both when it is alone and
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when it occurs in subformulas and nested parts of subformulas, for example
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the mentioned segments would be found in something like
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\begin_inset Formula $\frac{x^{2}}{\sqrt{\frac{x^{2}}{1+x^{2}}}}.$
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\end_inset
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\end_layout
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\begin_layout Subsection
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Style-aware search
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\end_layout
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\begin_layout Standard
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It is also possible to search for text with specific styles.
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This is done by switching to the
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\noun on
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Advanced
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\noun default
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pane and unchecking the
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\noun on
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ignore format
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\noun default
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|
option.
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This way:
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\end_layout
|
|
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|
\begin_layout Enumerate
|
|
Entering in the
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\noun on
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|
Find...
|
|
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|
\noun default
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LyX mini-editor a plain word and searching for it would not find instances
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of the word occurring in emphasized or boldface.
|
|
\end_layout
|
|
|
|
\begin_layout Enumerate
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|
Entering in the
|
|
\noun on
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|
Find...
|
|
|
|
\noun default
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|
LyX mini-editor an emphasized or boldface word and searching for it would
|
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find the respective instances with same face only, and within the same
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text style only.
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Note that, for example, an emphasized text is found not only when occurring
|
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alone, but also when it is contained in a longer emphasized sentence.
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\end_layout
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|
\begin_layout Enumerate
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|
Entering in the
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\noun on
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|
Find...
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|
\noun default
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|
LyX mini-editor a plain word and giving it a Section style from the style
|
|
selection dropdown menu, and searching for it, finds occurrences of if
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only within Section titles.
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|
Also, if the text to search is given an emphasized or bold face, in addition
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to a
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\noun on
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Section
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\noun default
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style, then it is found only when occurring with the same style.
|
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\end_layout
|
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|
\begin_layout Enumerate
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|
Entering in the
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\noun on
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Find...
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\noun default
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LyX mini-editor some mathematics in centered line math (C-S-m) mode, like
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this
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\begin_inset Formula \[
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x^{2}\]
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\end_inset
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|
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finds only instances of the text within the same kind of mathematical environmen
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t.
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\end_layout
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\begin_layout Subsection
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Replace
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\end_layout
|
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\begin_layout Standard
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|
The text segments matching the text entered in the
|
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\noun on
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Find...
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|
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|
\noun default
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|
LyX mini-editor may be replaced with the text segments entered in the
|
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\noun on
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Replace...
|
|
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|
\noun default
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|
LyX mini-editor.
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|
In order to find the next occurrence and replace it, click on the
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\noun on
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|
Next
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\noun default
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|
and
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\noun on
|
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Prev
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\noun default
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buttons below the
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\noun on
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|
Replace...
|
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|
\noun default
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|
mini-editor.
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Alternatively, you can use the [
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\noun on
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Enter
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\noun default
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|
] and [
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|
\noun on
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|
Shift+Enter
|
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\noun default
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|
] keys while in the
|
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\noun on
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|
Replace...
|
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|
\noun default
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|
LyX mini-editor.
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\end_layout
|
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|
\begin_layout Standard
|
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You can replace full-featured formatted LyX segments in place of the matching
|
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text segments in your document.
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Typical scenarios in which to use this capability may be (just to mention
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a few):
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\end_layout
|
|
|
|
\begin_layout Itemize
|
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replacing occurrences of a word with a customized formatted version of the
|
|
same word, for example replacing occurrences of a name like
|
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\begin_inset Quotes eld
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\end_inset
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func()
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\begin_inset Quotes erd
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\end_inset
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with its monospace version
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\family typewriter
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|
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|
\begin_inset Quotes eld
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\end_inset
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|
func()
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\begin_inset Quotes erd
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\end_inset
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|
;
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\end_layout
|
|
|
|
\begin_layout Standard
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|
performing a notation rework of mathematical symbols, for example replacing
|
|
occurrences of
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\begin_inset Quotes eld
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\end_inset
|
|
|
|
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|
\begin_inset Formula $R$
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\end_inset
|
|
|
|
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|
\begin_inset Quotes erd
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\end_inset
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|
with
|
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\begin_inset Quotes eld
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\end_inset
|
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|
|
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\begin_inset Formula $\mathbb{R}$
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\end_inset
|
|
|
|
|
|
\begin_inset Quotes erd
|
|
\end_inset
|
|
|
|
(you may want to enable the
|
|
\noun on
|
|
whole-words
|
|
\noun default
|
|
and
|
|
\noun on
|
|
case-sensitive
|
|
\noun default
|
|
options and disable the
|
|
\family typewriter
|
|
\noun on
|
|
Ignore Format
|
|
\family default
|
|
\noun default
|
|
option in the
|
|
\family typewriter
|
|
\noun on
|
|
Advanced
|
|
\family default
|
|
\noun default
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|
pane, in order to avoid replacing all
|
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\begin_inset Quotes eld
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|
\end_inset
|
|
|
|
R
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\begin_inset Quotes erd
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\end_inset
|
|
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|
letters occurring in normal text), or occurrences of
|
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\begin_inset Formula $x_{j}^{i}$
|
|
\end_inset
|
|
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|
with
|
|
\begin_inset Formula $x_{i,\, j}$
|
|
\end_inset
|
|
|
|
, or occurrences of
|
|
\begin_inset Formula $x[k]$
|
|
\end_inset
|
|
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|
with
|
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\begin_inset Formula $x_{k}$
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|
\end_inset
|
|
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|
.
|
|
\end_layout
|
|
|
|
\begin_layout Section
|
|
\begin_inset CommandInset label
|
|
LatexCommand label
|
|
name "sec:Advanced-usage"
|
|
|
|
\end_inset
|
|
|
|
Advanced usage
|
|
\end_layout
|
|
|
|
\begin_layout Subsection
|
|
About using regular expressions in the Find...
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|
box
|
|
\end_layout
|
|
|
|
\begin_layout Standard
|
|
There is a regular expression based searching facility.
|
|
Users may arbitrarily insert, within text or math material to search for,
|
|
regexp-mode insets that allow to enter regular subexpressions.
|
|
This is done either through the
|
|
\noun on
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|
[Match...]
|
|
\noun default
|
|
dropdown button or by the [C-S-r] key sequence.
|
|
Characters entered in the
|
|
\noun on
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|
Find...
|
|
|
|
\noun default
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|
LyX mini-editor within regexp insets are matched according to the regular
|
|
expression matching rules
|
|
\begin_inset Foot
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|
status collapsed
|
|
|
|
\begin_layout Plain Layout
|
|
but under the constraint that any subexpression must match a well-formed
|
|
LyX text segment, i.e., when matching LaTeX code, no segments with unbalanced
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|
{} braces are allowed to match subexpressions entered by the user.
|
|
\end_layout
|
|
|
|
\end_inset
|
|
|
|
, while text entered outside regexp insets is matched exactly against the
|
|
same text in the document.
|
|
Note that it is allowed to cut and paste regexp-mode insets as usual.
|
|
Examples of using such a feature may be:
|
|
\end_layout
|
|
|
|
\begin_layout Enumerate
|
|
Searching for all fractions with a given denominator: for example, entering
|
|
in the
|
|
\noun on
|
|
Find...
|
|
|
|
\noun default
|
|
LyX mini-editor the fraction
|
|
\begin_inset Formula $\frac{.*}{1+x^{2}}$
|
|
\end_inset
|
|
|
|
(where the
|
|
\begin_inset Formula $.*$
|
|
\end_inset
|
|
|
|
on the numerator is the match-everything regular expression that may be
|
|
added by clicking on the
|
|
\noun on
|
|
[Match...]->[Anything]
|
|
\noun default
|
|
button, or entering the regexp-mode through the [C-S-r] key sequence and
|
|
by typing
|
|
\begin_inset Formula $.*$
|
|
\end_inset
|
|
|
|
) finds all fractions with the given denominator.
|
|
\end_layout
|
|
|
|
\begin_layout Enumerate
|
|
Searching for all text with a given style: for example, after unchecking
|
|
the
|
|
\noun on
|
|
Ignore Format
|
|
\noun default
|
|
option from the
|
|
\noun on
|
|
Advanced
|
|
\noun default
|
|
pane, entering a
|
|
\series bold
|
|
|
|
\begin_inset Formula $.*$
|
|
\end_inset
|
|
|
|
|
|
\series default
|
|
regular expression and adding it an emphasized or bold face, finds all
|
|
emphasized and bold face text, respectively.
|
|
Also, giving to the
|
|
\begin_inset Formula $.*$
|
|
\end_inset
|
|
|
|
regular expression a bullet-list, enumerated or Section style, you can
|
|
find all bullet or enumerated lists, or section titles.
|
|
\end_layout
|
|
|
|
\begin_layout Standard
|
|
Finally, references to subexpressions in regular expressions may be used
|
|
as usual, enclosing parts of the expression within round braces
|
|
\begin_inset Formula $()$
|
|
\end_inset
|
|
|
|
, and referring back to them through
|
|
\begin_inset Formula $\backslash1$
|
|
\end_inset
|
|
|
|
,
|
|
\begin_inset Formula $\backslash2$
|
|
\end_inset
|
|
|
|
, etc..., where a
|
|
\begin_inset Formula $\backslash$
|
|
\end_inset
|
|
|
|
symbol is entered in regular-expression mode by pressing twice the backslash
|
|
key.
|
|
For example, try searching for the
|
|
\begin_inset Formula $([a-z]+)[[:blank:]]\backslash1$
|
|
\end_inset
|
|
|
|
regular expression in order to find word repetitions, if any.
|
|
\end_layout
|
|
|
|
\begin_layout Standard
|
|
Note that back references work both when occurring within the same regular
|
|
expression, and when occurring in multiple different regular expressions,
|
|
where numbering of back-referenced sub-expressions is absolute, i.e.,
|
|
\begin_inset Formula $\backslash1$
|
|
\end_inset
|
|
|
|
always refers to the first occurrence of
|
|
\begin_inset Formula $()$
|
|
\end_inset
|
|
|
|
in all entered regular expressions.
|
|
\end_layout
|
|
|
|
\begin_layout Standard
|
|
Note that the use of back references in the replaced text is not (yet) implement
|
|
ed.
|
|
\end_layout
|
|
|
|
\end_body
|
|
\end_document
|